Saturday, October 5, 2013

Practice set

PRACTICE SET 1


1.             All of the following are examples of real security and privacy risks EXCEPT:
A.     hackers.
B.     spam.
C.     viruses.
D.     identity theft.
Answer: B       Reference: Becoming a Savvy Computer User and Consumer            Difficulty: Easy
2.             A process known as ____________ is used by large retailers to study trends.
A.     data mining
B.     data selection
C.     POS
D.     data conversion
Answer: A       Reference: Computers in Business: Working in a Data Mine?            Difficulty: Easy
3.             ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.
A.     Data
B.     Point-of-sale (POS)
C.     Sales
D.     Query
Answer: B       Reference: Computers in Retail: Let Me Look That Up for You         Difficulty: Easy



4.             A(n) ____________ system is a small, wireless handheld computer that scans an item’s tag and pulls up the current price (and any special offers) as you shop.
A.     PSS
B.     POS
C.     inventory
D.     data mining
Answer: A       Reference: Computers in Retail: Let Me Look That Up for You         Difficulty: Easy
5.             The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement specialty called:
A.     robotics.
B.     simulation.
C.     computer forensics.
D.     animation.
Answer: C       Reference: Computers in Law Enforcement: Put Down…      Difficulty: Moderate
6.             Which of the following is NOT one of the four major data processing functions of a computer?
A.     gathering data
B.     processing data into information
C.     analyzing the data or information
D.     storing the data or information
Answer: C       Reference: Computers Are Data Processing Devices              Difficulty: Easy
7.             ____________ tags, when placed on an animal, can be used to record and track in a database all of the animal’s movements.
A.     POS
B.     RFID
C.     PPS
D.     GPS
Answer: B       Reference: Computers in Ranching and Farming: HighTech…           Difficulty: Moderate
8.             Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as:
A.     robotics.
B.     computer forensics.
C.     simulation.
D.     forecasting.
Answer: A       Reference: Computers in the Medical Field: Fact or Science Fiction? Difficulty: Moderate
9.             Technology no longer protected by copyright, available to everyone, is considered to be:
A.     proprietary.
B.     open.
C.     experimental.
D.     in the public domain.
Answer: A       Reference: Computers in the Medical Field: Fact or Science Fiction? Difficulty: Moderate
10.         ____________ is the study of molecules and structures whose size ranges from 1 to 100 nanometers.
A.     Nanoscience
B.     Microelectrodes
C.     Computer forensics
D.     Artificial intelligence
Answer: A       Reference: Nanoscience: The Next “Big” Thing                     Difficulty: Moderate
11.         ____________ is the science that attempts to produce machines that display the same type of intelligence that humans do.
A.     Nanoscience
B.     Nanotechnology
C.     Simulation
D.     Artificial intelligence (AI)
Answer: D       Reference: Artificial Intelligence: Will Computers Become Human?  Difficulty: Moderate

12.         ____________ is data that has been organized or presented in a meaningful fashion.
A.     A process
B.     Software
C.     Storage
D.     Information
Answer: D       Reference: Computers Are Data Processing Devices              Difficulty: Easy
13.         The name for the way that computers manipulate data into information is called:
A.     programming.
B.     processing.
C.     storing.
D.     organizing.
Answer: B       Reference: Computers Are Data Processing Devices              Difficulty: Easy
14.         Computers gather data, which means that they allow users to ____________ data.
A.     present
B.     input
C.     output
D.     store
Answer: B       Reference: Computers Are Data Processing Devices              Difficulty: Moderate
15.         After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered:
A.     data.
B.     output.
C.     input.
D.     the process.
Answer: B       Reference: Computers Are Data Processing Devices              Difficulty: Easy


16.         Computers use the ____________ language to process data.
A.     processing
B.     kilobyte
C.     binary
D.     representational
Answer: C       Reference: Bits and Bytes: The Language of Computers        Difficulty: Easy
17.         Computers process data into information by working exclusively with:
A.     multimedia.
B.     words.
C.     characters.
D.     numbers.
Answer: D       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
18.         In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of:
A.     eight bytes.
B.     eight kilobytes.
C.     eight characters.
D.     eight bits.
Answer: D       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
19.         The term bit is short for:
A.     megabyte.
B.     binary language.
C.     binary digit.
D.     binary number.
Answer: C       Reference: Bits and Bytes: The Language of Computers        Difficulty: Easy


20.         A string of eight 0s and 1s is called a:
A.     megabyte.
B.     byte.
C.     kilobyte.
D.     gigabyte.
Answer: B       Reference: Bits and Bytes: The Language of Computers        Difficulty: Easy
21.         A ____________ is approximately one billion bytes.
A.     kilobyte
B.     bit
C.     gigabyte
D.     megabyte
Answer: C       Reference: Bits and Bytes: The Language of Computers        Difficulty: Easy
22.         A ____________ is approximately a million bytes.
A.     gigabyte
B.     kilobyte
C.     megabyte
D.     terabyte
Answer: C       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
23.         ____________ is any part of the computer that you can physically touch.
A.     Hardware
B.     A device
C.     A peripheral
D.     An application
Answer: A       Reference: Computer Hardware                                              Difficulty: Easy


24.         The components that process data are located in the:
A.     input devices.
B.     output devices.
C.     system unit.
D.     storage component.
Answer: C       Reference: Computer Hardware                                              Difficulty: Moderate
25.         All of the following are examples of input devices EXCEPT a:
A.     scanner.
B.     mouse.
C.     keyboard.
D.     printer.
Answer: D       Reference: Computer Hardware                                              Difficulty: Easy
26.         Which of the following is an example of an input device?
A.     scanner
B.     speaker
C.     CD
D.     printer
Answer: A       Reference: Computer Hardware                                              Difficulty: Easy
27.         All of the following are examples of storage devices EXCEPT:
A.     hard disk drives.
B.     printers.
C.     floppy disk drives.
D.     CD drives.
Answer: B       Reference: Computer Hardware                                              Difficulty: Easy


28.         The ____________, also called the “brains” of the computer, is responsible for processing data.
A.     motherboard
B.     memory
C.     RAM
D.     central processing unit (CPU)
Answer: D       Reference: Computer Hardware                                              Difficulty: Easy
29.         The CPU and memory are located on the:
A.     expansion board.
B.     motherboard.
C.     storage device.
D.     output device.
Answer: B       Reference: Computer Hardware                                              Difficulty: Moderate
30.         Word processing, spreadsheet, and photo-editing are examples of:
A.     application software.
B.     system software.
C.     operating system software.
D.     platform software.
Answer: A       Reference: Computer Software                                               Difficulty: Moderate
31.         ____________ is a set of computer programs used on a computer to help perform tasks.
A.     An instruction
B.     Software
C.     Memory
D.     A processor
Answer: B       Reference: Computer Software                                               Difficulty: Easy


32.         System software is the set of programs that enables your computer’s hardware devices and ____________ software to work together.
A.     management
B.     processing
C.     utility
D.     application
Answer: D       Reference: Computer Software                                               Difficulty: Moderate
33.         The PC (personal computer) and the Apple Macintosh are examples of two different:
A.     platforms.
B.     applications.
C.     programs.
D.     storage devices.
Answer: A       Reference: Computer Platforms: PCs and Macs                      Difficulty: Easy
34.         Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.
A.     languages
B.     methods
C.     CPUs
D.     storage devices
Answer: C       Reference: Computer Platforms: PCs and Macs                      Difficulty: Moderate
35.         Servers are computers that provide resources to other computers connected to a:
A.     network.
B.     mainframe.
C.     supercomputer.
D.     client.
Answer: A       Reference: Specialty Computers                                             Difficulty: Moderate

36.         Smaller and less expensive PC-based servers are replacing ____________ in many businesses.
A.     supercomputers
B.     clients
C.     laptops
D.     mainframes
Answer: D       Reference: Specialty Computers                                             Difficulty: Moderate
37.         ____________ are specially designed computers that perform complex calculations extremely rapidly.
A.     Servers
B.     Supercomputers
C.     Laptops
D.     Mainframes
Answer: B       Reference: Specialty Computers                                             Difficulty: Moderate
38.          DSL is an example of a(n) ____________ connection.
A.     network
B.     wireless
C.     slow
D.     broadband
Answer: D       Reference: Trends In IT: Ethics: Knowledge Is Power:…       Difficulty: Moderate
39.         The difference between people with access to computers and the Internet and those without this access is known as the:
A.     digital divide.
B.     Internet divide.
C.     Web divide.
D.     broadband divide.
Answer: A       Reference: Trends In IT: Ethics: Knowledge Is Power:…       Difficulty: Moderate

40.         ____________ is the science revolving around the use of nanostructures to build devices on an extremely small scale.
A.     Nanotechnology
B.     Micro-technology
C.     Computer forensics
D.     Artificial intelligence
Answer: A       Reference: Nanoscience: The Next “Big” Thing                     Difficulty: Easy
41.         Which of the following is the correct order of the four major functions of a computer?
A.     Process à Output à Input à Storage
B.     Input à Outputà Process à Storage
C.     Process à Storage à Input à Output
D.     Input à Process à Output à Storage
Answer: D       Reference: Computers Are Data Processing Devices              Difficulty: Challenging
42.         ____________ bits equal one byte.
A.     Eight
B.     Two
C.     One thousand
D.     One million
Answer: A       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
43.         The binary language consists of ____________ digit(s).
A.     8
B.     2
C.     1,000
D.     1
Answer: B       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate


44.         A byte can hold one ____________ of data.
A.     bit
B.     binary digit
C.     character
D.     kilobyte
Answer: C       Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
45.         ____________ controls the way in which the computer system functions and provides a means by which users can interact with the computer.
A.     The platform
B.     The operating system
C.     Application software
D.     The motherboard
Answer: B       Reference: Computer Software                                               Difficulty: Moderate
46.         The operating system is the most common type of ____________ software.
A.     communication
B.     application
C.     system
D.     word-processing software
Answer: C       Reference: Computer Software                                               Difficulty: Easy
47.         ____________ are specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat.
A.     Servers
B.     Embedded computers
C.     Robotic computers
D.     Mainframes
Answer: B       Reference: Specialty Computers                                             Difficulty: Moderate

48.         The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:
A.     instructions.
B.     the operating system.
C.     application software.
D.     the system unit.
Answer: A       Reference: Computer Hardware                                              Difficulty: Moderate
49.         The two broad categories of software are:
A.     word processing and spreadsheet.
B.     transaction and application.
C.     Windows and Mac OS.
D.     system and application.
Answer: D       Reference: Computer Software                                               Difficulty: Easy
50.         The metal or plastic case that holds all the physical parts of the computer is the:
A.     system unit.
B.     CPU.
C.     mainframe.
D.     platform.
Answer: A       Reference: Computer Hardware                                              Difficulty: Easy

Fill in the Blank:


51.         Between PCs and Macs, the ____________ is the platform of choice for graphic design and animation.
Answer: Mac                           Reference: Computer Platforms: PCs and Macs          Difficulty: Easy
52.         The ____________ is the program that manages the hardware of the computer system, including the CPU, memory, storage devices, and input/output devices.
Answer: operating system       Reference: Computer Software                                   Difficulty: Moderate

53.         The type of operating system software you use depends on your computer’s ____________.
Answer: platform                    Reference: Computer Platforms: PCs and Macs          Difficulty: Challenging
54.         ____________software helps you carry out tasks, such as typing a document or creating a spreadsheet.
Answer: Application               Reference: Computer Software                                   Difficulty: Easy
55.         ____________are the fastest and most expensive computers.
Answer: Supercomputers        Reference: Specialty Computers                                 Difficulty: Moderate
56.         A ____________ is approximately 1,000 bytes.
Answer: kilobyte                     Reference: Bits and Bytes: The Language of Computers        Difficulty: Easy
57.         Input devices are used to provide the steps and tasks the computer needs to process data, and these steps and tasks are called ____________.
Answer: instructions               Reference: Computer Hardware                                  Difficulty: Challenging
58.         A computer gathers data, processes it, outputs the data or information, and ____________ the data or information.
Answer: stores                        Reference: Computers Are Data Processing Devices  Difficulty: Moderate
59.         The binary language consists of two digits: ____________ and ____________.
Answer: 0 and 1                      Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
60.         A string of ____________ 0s and 1s is called a byte.
Answer: eight (8)                    Reference: Bits and Bytes: The Language of Computers        Difficulty: Moderate
61.         The devices you use to enter data into a computer system are known as ____________ devices.
Answer: input                         Reference: Computer Hardware                                  Difficulty: Easy
62.         The devices on a computer system that let you see the processed information are known as ____________ devices.
Answer: output                       Reference: Computer Hardware                                  Difficulty: Easy
63.         ____________ is the set of computer instructions or programs that enables the hardware to perform different tasks.
Answer: Software                   Reference: Computer Software                                   Difficulty: Moderate
64.         When you connect to the ____________, your computer is communicating with a server at your Internet service provider (ISP).
Answer: Internet                     Reference: Specialty Computers                                 Difficulty: Easy
65.         ____________ are computers that excel at executing many different computer programs at the same time.
Answer: Mainframes               Reference: Specialty Computers                                 Difficulty: Moderate
66.         ____________is the application of computer systems and techniques to gather legal evidence.
Answer: Computer forensics  Reference: Computers in Law Enforcement: Put Down…      Difficulty: Challenging
67.         ____________ is the science that attempts to create machines that will emulate the human thought process.
Answer:  Artificial intelligence (AI)                                                                            Reference: Artificial Intelligence: Will …                                     Difficulty: Challenging
68.         Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs generally run ____________ as an operating system.
Answer: Microsoft Windows           Reference: Computer Software                          Difficulty: Easy
69.         A process known as ____________ tracks trends and allows retailers to respond to consumer buying patterns.
Answer: data mining                     Reference: Computers in Business: Working….   Difficulty: Challenging
70.         Hard disk drives and CD drives are examples of ____________ devices.
Answer: storage                            Reference: Computer Hardware                            Difficulty: Easy
71.         You would use ____________ software to create spreadsheets, type documents, and edit photos.
Answer: application                      Reference: Computer Software                             Difficulty: Moderate
72.         ____________ are computers that support hundreds or thousands of users simultaneously.
Answer: Mainframes                     Reference: Computer Hardware                            Difficulty: Moderate
73.         ____________ is the term given to the act of stealing someone’s identity and ruining their credit rating.
Answer: Identity theft                   Reference: Becoming a Savvy Computer User…  Difficulty: Moderate
74.         Surgeons are using ____________ to guide robots to perform delicate surgery.
Answer: computers                       Reference: Computers in the Medical Field: Fact…          Difficulty: Easy
75.         Patient ____________ are life-sized mannequins that have a pulse and a heartbeat and respond to procedures just like humans.
Answer: simulators                       Reference: Computers in the Medical Field: Fact…          Difficulty: Challenging



True and False

76.         Currently, the performance of tasks by robots is based on preprogrammed algorithms.
Answer: True                           Reference: Artificial Intelligence: Will Computers… Difficulty: Moderate
77.         Data can be a number, a word, a picture, or a sound.
Answer: True                          Reference: Computers Are Data Processing Devices Difficulty: Easy
78.         Strictly defined, a computer is a data processing device.
Answer: True                          Reference: Computers Are Data Processing Devices Difficulty: Easy
79.         The discrepancy between the “haves” and “have-nots” with regard to computer technology is commonly referred to as the digital society.
Answer: False (digital divide) Reference: Trends In IT: Ethics: Knowledge is Power…         Difficulty: Moderate
80.         One of the benefits of becoming computer fluent is being a savvy computer user and consumer and knowing how to avoid viruses, the programs that pose threats to computer security.
Answer: True              Reference: Becoming a Savvy Computer User and Consumer            Difficulty: Easy
81.         Trend-spotting programs, developed for business, have been used to predict criminal activity.
Answer: True              Reference: Computers in Law Enforcement: Put Down…      Difficulty: Moderate
82.         Employers do not have the right to monitor e-mail and network traffic on employee systems used at work.
Answer: False    Reference: Understanding the Challenges Facing a Digital Society  Difficulty: Moderate
83.         Clicking on an icon with the mouse is a form of giving an instruction to the computer.
Answer: True                          Reference: Computer Hardware                                  Difficulty: Moderate
84.         Output devices store instructions or data that the CPU processes.
Answer: False (memory)         Reference: Computer Hardware                                  Difficulty: Moderate
85.         The CPU and memory are located on a special circuit board in the system unit called the motherboard.
Answer: True                          Reference: Computer Hardware                                  Difficulty: Easy
86.         Nanostructures represent the smallest human-made structures that can be built.
Answer: True                          Reference: Nanoscience: The Next “Big” Thing         Difficulty: Moderate

87.         The main difference between a supercomputer and a mainframe is that supercomputers are designed to execute a few programs as quickly as possible, whereas mainframes are designed to handle many programs running at the same time (but at a slower pace).
Answer: True                          Reference: Specialty Computers                                 Difficulty: Easy
88.         Being computer fluent means that you should be able to build a computer yourself.
Answer: False                         Reference: How Do You Become Computer Fluent?  Difficulty: Moderate
89.         Embedded computers are self-contained computer devices that have their own programming and do not receive input.
Answer: True                          Reference: Specialty Computers                                 Difficulty: Challenging
90.         A Web browser is a special device that is installed in your computer that allows it to communicate with other devices on a network.
Answer: False (network adapter)Reference: Dig Deeper: What Can You Do….        Difficulty: Moderate
91.         With a wireless network, it is easier to relocate devices.
Answer: True                          Reference: Dig Deeper: What Can You Do….            Difficulty: Easy
92.         The most common type of memory that the computer uses to process data is ROM.
Answer: False (RAM)                   Reference: Computer Hardware                            Difficulty: Easy


Matching:


93.         Match the following terms with their approximate size:
            I.    kilobyte                 A. one million bytes
            II.   byte                       B. eight bits
            III. gigabyte                 C. one thousand bytes
            IV. megabyte               D. one billion bytes
            V.  terabyte                  E. one trillion bytes
Answer: C, B, D, A, E Reference: Figure 1.31: How Much Is a Byte?            Difficulty: Moderate

94.         Match the following terms with their meanings:
            I.    printer                    A. storage device
            II.   scanner                  B. output device
            III. RAM                      C. input device
            IV. CPU                       D. a type of memory
            V.  CD drive                E. processor
Answer: B, C, D, E, A             Reference: Computer Hardware                                  Difficulty: Challenging

95.         Match the following terms with their meanings:
            I.    mainframe                         A. the most expensive computers that perform complex calculations                                                              extremely rapidly
            II.   supercomputer                   B. a computer that provides resources to other computers connected to a                                                                  network
            III. embedded computer                                                                                  C. a large, expensive computer that supports hundreds or thousands of                                                                                                                  users simultaneously
            IV. PDA                                   D. a self-contained computer device that usually performs                                                                preprogrammed functions such as temperature control
            V.  server                                 E. a small mobile computing device
Answer: C, A, D, E, B             Reference: Specialty Computers                                 Difficulty: Easy

96.         Match the following terms with their meanings:
            I.    software                 A. transforming data into information
            II.   hardware                B. data that has been organized or presented in a meaningful fashion
            III. operating system    C. any part of the computer that you can physically touch
            IV. processing              D. a set of computer programs that enables hardware to perform different tasks
            V.  information            E. the most common type of system software, it controls the way in which the                                                         computer system functions
Answer: D, C, E, A, B             Reference: Multiple locations in chapter                     Difficulty: Challenging

97.         Match the following terms with their meanings:
            I.    system software                 A. the set of programs that enables computer hardware devices and                                                               application software to work together
            II.   application software                      B. the kind of operating system software you will use depends on this
            III. platform                             C. operating system software generally used on PCs
            IV. Microsoft Windows                       D. a set of programs used to accomplish a specific task
            V.  Mac OS                              E. operating system software used on the Apple Macintosh
Answer: A, D, B, C, E             Reference: Multiple locations in chapter                     Difficulty: Easy

98.         Match the following terms with their meanings:
            I.    data                        A. the main circuit board in the system unit
            II.   memory                 B. the representation of a fact or idea (unprocessed information)
            III. output                    C. processed data or information
            IV. storage                   D. holds instructions or data that the CPU processes
            V.  motherboard          E. data or information that can be accessed again
Answer: B, D, C, E, A             Reference: Multiple locations in chapter                     Difficulty: Moderate

99.         Match the following terms with their meanings:
            I.    bit                          A. the science revolving around the use of nanostructures to build devices on an                                                       extremely small scale
            II.   binary language     B. the case that contains the system components
            III. instructions            C. consists of 0s and 1s
            IV. system unit            D. short for binary digit
            V.  nanotechnology     E. steps and tasks necessary to process data into usable information
Answer: D, C, E, B, A             Reference: Multiple locations in chapter                     Difficulty: Challenging


100.     Match the following fields to the related computer technology:
            I.    medicine                                        A. Internet research and virtual tours
            II.   business                                         B. data mining
            III. law enforcement                            C. robotics and simulation
            IV. education                                       D. computer forensics
            V.  archeology                                     E. digital recreations of ruins
Answer: C, B, D, A, E             Reference: Multiple locations in chapter                     Difficulty: Challenging




3 comments:

  1. great job sir....

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  2. Sir,from where i can get the hard copy of all these sets so that i can study them comfortably without being on-line.kindly plz reply.....

    ReplyDelete