Sunday, 15 May 2011

Computer General Knowledge [ PART- 2 ]

1.A process known as ____________ is used by large retailers to study trends.

Answer: data mining

2. 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.

Answer: PSS

3. 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

4. Which of the following is NOT one of the four major data processing functions of a computer?

Answer: analyzing the data or information

5. ____________software helps you carry out tasks, such as typing a document or creating

a spreadsheet.

Answer: Application

6. Surgeons can perform delicate operations by manipulating devices through computers instead

of manually. This technology is known as:

Answer: robotics.

7. A ____________ is approximately 1,000 bytes.

Answer: kilobyte

8. ____________ is the study of molecules and structures whose size ranges from 1 to 100

nanometers.

Answer: Nanoscience

9. A computer gathers data, processes it, outputs the data or information, and

____________ the data or information.

Answer: stores

10. ____________ is data that has been organized or presented in a meaningful fashion.

Answer: Information

11. A string of ____________ 0s and 1s is called a byte.

Answer: eight (8)

12. Computers gather data, which means that they allow users to ____________ data.

Answer: input

13. The devices on a computer system that let you see the processed information are known

as ____________ devices.

Answer: output

14. Computers use the ____________ language to process data.

Answer: binary

15. When you connect to the ____________, your computer is communicating with a server

at your Internet service provider (ISP).

Answer: Internet

16. In the binary language each letter of the alphabet, each number and each special character is

made up of a unique combination of:

Answer: eight bits.

17. ____________is the application of computer systems and techniques to gather legal

evidence.

Answer: Computer forensics

18. A string of eight 0s and 1s is called a:

Answer: byte.

19. Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs

generally run ____________ as an operating system.

Answer: Microsoft Windows

20. A ____________ is approximately a million bytes.

Answer: megabyte

21. Hard disk drives and CD drives are examples of ____________ devices.

Answer: storage

22. The components that process data are located in the:

Answer: system unit.

23. ____________ are computers that support hundreds or thousands of users

simultaneously.

Answer: Mainframes

24. Which of the following is an example of an input device?

A. scanner

B. speaker

C. CD

D. printer

Answer: A

25. Surgeons are using ____________ to guide robots to perform delicate surgery.

Answer: computers

26. The ____________, also called the “brains― of the computer, is responsible for

processing data.

Answer: central processing unit (CPU)

27. The CPU and memory are located on the:

Answer: motherboard.

28. The metal or plastic case that holds all the physical parts of the computer is the:

Answer: system unit.

29. The steps and tasks needed to process data, such as responses to questions or clicking an

icon, are called:

Answer: instructions.

30. The operating system is the most common type of ____________ software.

Answer: system

31. The two broad categories of software are:

Answer: system and application.

32. A byte can hold one ____________ of data.

Answer: character

33. ____________ are specially designed computer chips that reside inside other devices, such as

your car or your electronic thermostat.

Answer: Embedded computers

34. What is the correct order of the four major functions of a computer?

Answer: Input à Process à Output à Storage

35. ____________ controls the way in which the computer system functions and provides a

means by which users can interact with the computer.

Answer: The operating system

36. The difference between people with access to computers and the Internet and those without

this access is known as the:

Answer: digital divide.

37. The binary language consists of ____________ digit(s).

Answer: 2

38. ____________ bits equal one byte.

Answer: Eight

39. The PC (personal computer) and the Apple Macintosh are examples of two different:

Answer: platforms.

40. ____________ is the science revolving around the use of nanostructures to build devices on

an extremely small scale.

Answer: Nanotechnology

41. Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.

Answer: CPUs

42. ____________ is a set of computer programs used on a computer to help perform tasks.

Answer: Software

43. ____________ are specially designed computers that perform complex calculations

extremely rapidly.

Answer: Supercomputers

44. System software is the set of programs that enables your computer’s hardware devices

and ____________ software to work together.

Answer: application

45. Smaller and less expensive PC-based servers are replacing ____________ in many businesses.

Answer: mainframes

46. Servers are computers that provide resources to other computers connected to a:

Answer: network.

47. DSL is an example of a(n) ____________ connection.

Answer: broadband

48. The ability to find an individual item in a file immediately ________ is used.

Answer : file allocation table (FAT)

49. To make a notebook act as a desktop model, the notebook can be connected to a ________which is connected to a monitor and other devices.

Answer : docking station

50. You can use the tab key to __________

Answer : move a cursor across the screen and indent paragraph.

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