Tuesday, July 10, 2012

Computer Set-4

1. All of the following are examples of real security and privacy risks EXCEPT:
(1) hackers.
(2) spam
(3) viruses
(4) identity theft
(5) None of these
Answer: B

2. A process known as ____________ is used by large retailers to study trends.
(1) data mining
(2) data selection
(3) POS
(4) data conversion 
(5) None of these

Answer: A

3. ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.
(1) Data
(2) Point-of-sale (POS)
(3) Sales
(4) Query 
(5) None of these

Answer: B

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.
(1) PSS
(2) POS
(3) inventory
(4) data mining 
(5) None of these

Answer: A

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:
(1) robotics.
(2) simulation
(3) computer forensics
(4) animation
(5) None of these

Answer: C

6. Which of the following is NOT one of the four major data processing functions of a computer?
(1) gathering data
(2) processing data into information
(3) analyzing the data or information
(4) storing the data or information 
(5) None of these

Answer: C

7. ____________ tags, when placed on an animal, can be used to record and track in a database all of the animal’s movements.
(1) POS
(2) RFID
(3) PPS
(4) GPS 
(5) None of these

Answer: B

8. Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as:
(1) robotics
(2) computer forensics
(3) simulation
(4) forecasting
(5) None of these

Answer: A

9. Technology no longer protected by copyright, available to everyone, is considered to be:
(1) proprietary.
(2) open.
(3) experimental.
(4) in the public domain.
(5) None of these

Answer: A

10. ____________ is the study of molecules and structures whose size ranges from 1 to 100 nanometers.
(1) Nanoscience
(2) Microelectrodes
(3) Computer forensics
(4) Artificial intelligence 
(5) None of these

Answer: A

11. ____________ is the science that attempts to produce machines that display the same type of intelligence that humans do.
(1) Nanoscience
(2) Nanotechnology
(3) Simulation
(4) Artificial intelligence (AI) 
(5) None of these

Answer: D

12. ____________ is data that has been organized or presented in a meaningful fashion.
(1) A process
(2) Software
(3) Storage
(4) Information 
(5) None of these

Answer: D

13. The name for the way that computers manipulate data into information is called:
(1) programming.
(2) processing.
(3) storing.
(4) organizing. 
(5) None of these

Answer: B

14. Computers gather data, which means that they allow users to ____________ data.
(1) present
(2) input
(3) output
(4) store 
(5) None of these

Answer: B

15. After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered:
(1) data.
(2) output.
(3) input.
(4) the process. 
(5) None of these

Answer: B


16. Computers use the ____________ language to process data.
(1) processing
(2) kilobyte
(3) binary
(4) representational 
(5) None of these

Answer: C

17. Computers process data into information by working exclusively with:
(1) multimedia.
(2) words.
(3) characters.
(4) numbers. 
(5) None of these

Answer: D

18. In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of:
(1) eight bytes.
(2) eight kilobytes.
(3) eight characters.
(4) eight bits. 
(5) None of these

Answer: D

19. The term bit is short for:
(1) megabyte.
(2) binary language.
(3) binary digit.
(4) binary number.
(5) None of these

Answer: C


20. A string of eight 0s and 1s is called a:
(1) megabyte.
(2) byte.
(3) kilobyte.
(4) gigabyte. 
(5) None of these

Answer: B

21. A ____________ is approximately one billion bytes.
(1) kilobyte
(2) bit
(3) gigabyte
(4) megabyte 
(5) None of these

Answer: C

22. A ____________ is approximately a million bytes.
(1) gigabyte
(2) kilobyte
(3) megabyte
(4) terabyte 
(5) None of these

Answer: C

23. ____________ is any part of the computer that you can physically touch.
(1) Hardware
(2) A device
(3) A peripheral
(4) An application 
(5) None of these

Answer: A


24. The components that process data are located in the:
(1) input devices.
(2) output devices.
(3) system unit.
(4) storage component. 
(5) None of these

Answer: C

25. All of the following are examples of input devices EXCEPT a:
(1) scanner.
(2) mouse.
(3) keyboard.
(4) printer. 
(5) None of these

Answer: D

26. Which of the following is an example of an input device?
(1) scanner
(2) speaker
(3) CD
(4) printer 
(5) None of these

Answer: A

27. All of the following are examples of storage devices EXCEPT:
(1) hard disk drives.
(2) printers.
(3) floppy disk drives.
(4) CD drives. 
(5) None of these


Answer: B

28. The ____________, also called the brain
of the computer, is responsible for processing data.
(1) motherboard
(2) memory
(3) RAM
(4) central processing unit (CPU)
(5) None of these

Answer: D


29. The CPU and memory are located on the:
(1) expansion board.
(2) motherboard.
(3) storage device.
(4) output device. 
(5) None of these

Answer: B

30. Word processing, spreadsheet, and photo-editing are examples of:
(1) application software.
(2) system software.
(3) operating system software.
(4) platform software.
(5) None of these

Answer: A

31. ____________ is a set of computer programs used on a computer to help perform tasks.
(1) An instruction
(2) Software
(3) Memory
(4) A processor 
(5) None of these

Answer: B

32. System software is the set of programs that enables your computer’s hardware devices and ____________ software to work together.
(1) management
(2) processing
(3) utility
(4) application 
(5) None of these

Answer: D

33. The PC (personal computer) and the Apple Macintosh are examples of two different:
(1) platforms.
(2) applications.
(3) programs.
(4) storage devices
(5) None of these

Answer: A

34. Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.
(1) languages
(2) methods
(3) CPUs
(4) storage devices 
(5) None of these

Answer: C

35. Servers are computers that provide resources to other computers connected to a:
(1) network.
(2) mainframe.
(3) supercomputer.
(4) client. 
(5) None of these

Answer: A

36. Smaller and less expensive PC-based servers are replacing ____________ in many businesses.
(1) supercomputers
(2) clients
(3) laptops
(4) mainframes 
(5) None of these

Answer: D


37. ____________ are specially designed computers that perform complex calculations extremely rapidly.
(1) Servers
(2) Supercomputers
(3) Laptops
(4) Mainframes 
(5) None of these

Answer: B

38. DSL is an example of a(n) ____________ connection.
(1) network
(2) wireless
(3) slow
(4) broadband 
(5) None of these

Answer: D

39. The difference between people with access to computers and the Internet and those without this access is known as the:
(1) digital divide.
(2) Internet divide.
(3) Web divide.
(4) broadband divide. 
(5) None of these

Answer: A

40. ____________ is the science revolving around the use of nanostructures to build devices on an extremely small scale.
(1) Nanotechnology
(2) Micro-technology
(3) Computer forensics
(4) Artificial intelligence 
(5) None of these

Answer: A

41. Which of the following is the correct order of the four major functions of a computer?
(1) Process à Output à Input à Storage
(2) Input à Outputà Process à Storage
(3) Process à Storage à Input à Output
(4) Input à Process à Output à Storage 
(5) None of these

Answer: D

42. ____________ bits equal one byte.
(1) Eight
(2) Two
(3) One thousand
(4) One million 
(5) None of these

Answer: A

43. The binary language consists of ____________ digit(s).
(1) 8
(2) 2
(3) 1,000
(4) 1 
(5) None of these

Answer: B

44. A byte can hold one ____________ of data.
(1) bit
(2) binary digit
(3) character
(4) kilobyte 
(5) None of these

Answer: C

45. ____________ controls the way in which the computer system functions and provides a means by which users can interact with the computer.
(1) The platform
(2) The operating system
(3) Application software
(4) The motherboard 
(5) None of these

Answer: B

46. The operating system is the most common type of ____________ software.
(1) communication
(2) application
(3) system
(4) word-processing software 
(5) None of these

Answer: C

47. ____________ are specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat.
(1) Servers
(2) Embedded computers
(3) Robotic computers
(4) Mainframes 
(5) None of these

Answer: B

48. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:
(1) instructions.
(2) the operating system.
(3) application software.
(4) the system unit.
(5) None of these

Answer: A

49. The two broad categories of software are:
(1) word processing and spreadsheet.
(2) transaction and application.
(3) Windows and Mac OS.
(4) system and application. 
(5) None of these

Answer: D

50. The metal or plastic case that holds all the physical parts of the computer is the:
(1) system unit
(2) CPU
(3) mainframe
(4) platform
(5) None of these

Answer: A 

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