About this app

Here are Computer awareness, Computer Knowledge MCQs with answer keys.
This is computer general knowledge application for basic concepts of computer and its hardware.All the computer knowledge questions are objective type and multiple choice questions.

In This Application:

Answer key available in this app at the end.

1. The name for the way that computers manipulate data into information is called:
2. A process known as ____________ is used by large retailers to study trends.
3. ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.
4. The two broad categories of software are:
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:
6. Which of the following is NOT one of the four major data processing functions of a computer?
7. ____________ tags, when placed on an animal, can be used to record and track in a database all of the animal’s movements.
8. Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as:
9. ____________ bits equal one byte.
10. ____________ is the study of molecules and structures whose size ranges from 1 to 100 nanometers.
11. ____________ is the science that attempts to produce machines that display the same type of intelligence that humans do.
12. ____________ is data that has been organized or presented in a meaningful fashion.
13. All of the following are examples of real security and privacy risks EXCEPT:
14. Computers gather data, which means that they allow users to ____________ data.
15. After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered:
16. Computers use the ____________ language to process data.
17. Computers process data into information by working exclusively with:
18. In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of:
19. The term bit is short for:
20. A string of eight 0s and 1s is called a:
21. A ____________ is approximately one billion bytes.
22. A ____________ is approximately a million bytes.
23. ____________ is any part of the computer that you can physically touch.
24. The components that process data are located in the:
25. All of the following are examples of input devices EXCEPT a:
26. Which of the following is an example of an input device?
27. All of the following are examples of storage devices EXCEPT:
28. The ____________, also called the “brains†of the computer, is responsible for processing data.
29. The CPU and memory are located on the:
30. Word processing, spreadsheet, and photo-editing are examples of:
31. ____________ is a set of computer programs used on a computer to help perform tasks.
32. System software is the set of programs that enables your computer's hardware devices and ____________ software to work together.
33. The PC (personal computer) and the Apple Macintosh are examples of two different:
34. Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.
35. Servers are computers that provide resources to other computers connected to a:
36. Smaller and less expensive PC-based servers are replacing ____________ in many businesses.
37. ____________ are specially designed computers that perform complex calculations extremely rapidly.
38. DSL is an example of a(n) ____________ connection.
39. The difference between people with access to computers and the Internet and those without this access is known as the:
40. ____________ is the science revolving around the use of nano structures to build devices on an extremely small scale.


and many MCQs questions with multiple choice and his answers about computer general knowledge in this app.

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