SSC GK Computer : Components of Computer System

1. A printer is this kind of device

(a) input

(b) word processing

(c) processing

(d) output

(e) None of these

2. The name of the computer’s brain is

(a) monitor

(b) hardware

(c) CPU

(d) byte

(e) None of these

3. The output devices make it possible to

(a) view or print data

(b) store data

(c) scan data

(d) input data

(e) None of these

4. The most common method of entering text and numerical data into a computer system is through the use of

(a) keyboard

(b) scanner

(c) printer

(d) plotter

(e) None of these

5. Which of the following groups consist of only input devices? 

(a) Mouse, Keyboard, Monitor

(b) Mouse, Keyboard, Printer

(c) Mouse, Keyboard, Plotter

(d) Mouse, Keyboard, Scanner

(e) None of these

6. Which of the following groups consist of only output devices? 

(a) Scanner, Printer, Monitor

(b) Keyboard, Printer, Monitor

(c) Mouse, Printer, Monitor

(d) Plotter, Printer, Monitor

(e) None of these

7. A keyboard is this kind of device

(a) black

(b) input

(c) output

(d) word processing

(e) None of these

8. Arithmetic operations 

(a) involve matching one data item to another to determine if the first item is greater than, equal to, or less than the other item

(b) sort data items according to standard, predefined criteria in ascending order or descending order

(c) use conditions with operators such as AND, OR and NOT

(d) include addition, subtraction,multiplication, and division

(e) None of these

9. A series of instructions that tells a computer what to do and how to do it is called a

(a) program

(b) command

(c) user response

(d) processor

(e) None of these

10. Which part of the computer displays the work done ? 

(a) RAM

(b) Printer

(c) Monitor

(d) ROM

(e) None of these

11. Any data or instruction entered into the memory of a computer is considered as

(a) storage

(b) output

(c) input

(d) information

(e) None of these

12. For seeing the output, you use––––––

(a) Monitor

(b) Keyboard

(c) Mouse

(d) Scanner

(e) None of these

13. A scanner scans–––––– 

(a) Pictures

(b) Text

(c) Both Pictures and Text

(d) Neither Pictures nor Text

(e) None of the above

14. Which of the following is not an input device?

(a) Keyboard

(b) Monitor

(c) Joystick

(d) Microphone

(e) None of these

15. Back up of the data files will help to prevent______.

(a) loss of confidentiality

(b) duplication of data

(c) virus infection

(d) loss of data

(e) None of the above

16. Which is the part of the computer system that one can physically touch ? 

(a) data

(b) operating system

(c) hardware

(d) software

(e) None of these

17. ——— is processed by the computer into information. 

(a) Data

(b) Numbers

(c) Alphabets

(d) Pictures

(e) None of these

18. To access properties of an object, the mouse technique to use is_____.

(a) right-clicking

(b) shift-clicking

(c) dragging

(d) dropping

(e) None of these

19. A _____ can make it easier to play games.

(a) mouse

(b) joystick

(c) keyboard

(d) pen

(e) None of these

20. Codes consisting of lines of varying widths or lengths that are computer-readable are known as 

(a) an ASCII code

(b) a magnetic tape

(c) a bar code

(d) an OCR scanner

(e) None of these

21. To access properties of an object, the mouse technique to use is 

(a) dragging

(b) dropping

(c) right-clicking

(d) shift-clicking

(e) None of these

22. Video processors consist of_____and_____which store and process images.

(a) CPU and VGA

(b) CPU and memory

(c) VGA and memory

(d) VGI and DVI

(e) None of these

23. The system unit 

(a) coordinates input and output devices

(b) is the container that houses electronic components

(c) is a combination of hardware and software

(d) controls and manipulates data

(e) does the arithmetic operations

24. The main circuit-board of the system unit is the

(a) computer program

(b) control unit

(c) motherboard

(d) RAM

(e) None of these

25. Which keys enable the input of numbers quickly? 

(a) ctrl, shift and alt

(b) function keys

(c) the numeric keypad

(d) arrow keys

(e) None of these

26. The main system board of a computer is called the 

(a) integrated circuit

(b) motherboard

(c) processor

(d) microchip

(e) None of these

27. Which of the following can input graphical images and pictures for a computer?

(a) Plotter

(b) Scanner

(c) Mouse

(d) Printer

(e) Keyboard

28. Why is the Caps Lock key referred to as a toggle key? 

(a) Because its function goes back and forth every time it is pressed

(b) Because it cannot be used for entering numbers

(c) Because it cannot be used to delete

(d) Because it cannot be used to insert

(e) None of these

29. Using output devices one can

(a) input data

(b) store data

(c) scan data

(d) view or print data

(e) None of these

30. Which of the following categories would include a keyboard? 

(a) Printing Device

(b) Output Device

(c) Pointing Device

(d) Storage Device

(e) Input Device

31. What type of keys are ‘ctrl’ and ‘shift’?

(a) adjustment

(b) function

(c) modifier

(d) alphanumeric

(e) None of these

32. The term _________ refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.

(a) retrieval technology

(b) input technology

(c) output technology

(d) storage technology

(e) None of these

33. The term _________ refers to any computer component that is required to perform work.

(a) bootstrap

(b) kernel

(c) resource

(d) source code

(e) None of these

34. The ________ is responsible for performing calculations and contains decision-making mechanisms. 

(a) Central Processing Unit

(b) Memory Unit

(c) Arithmetic and Logic Unit

(d) Output Unit

(e) None of these

35. You use a (n) ________, such as a keyboard or mouse, to input information.

(a) storage device

(b) processing device

(c) input device

(d) output device

(e) None of these

36. What is output? 

(a) What the processor takes from the user

(b) What the user gives to the processor

(c) What the processor gets from the user

(d) What the processor gives to the user

(e) None of these

37. Computer_________ is whatever is typed, submitted, or transmitted to a computer system.

(a) input

(b) output

(c) data

(d) circuitry

(e) None of these

38. Which process checks to ensure the components of the computer are operating and connected properly? 

(a) Booting

(b) Processing

(c) Saving

(d) Editing

(e) None of these

39. _________ is processed by the computer into information. 

(a) numbers

(b) processor

(c) input

(d) data

(e) None of these

40. Ctrl, shift and alt are called _________ keys.

(a) adjustment

(b) function

(c) modifier

(d) alphanumeric

(e) None of these

41. What is the function of the Central Processing Unit of a Computer ? 

(a) Creates invoices

(b) Performs calculations and processing

(c) Deletes Data

(d) Corrupts the data

(e) None of these

42. All the characters that a device can use is called its ? 

(a) Skill Set

(b) Character Alphabet

(c) Character Codes

(d) Keyboard Characters

(e) Character Set

43. Which unit controls the movement of signals between CPU and I/O ? 

(a) ALU

(b) Control Unit

(c) Memory Unit

(d) Secondary Storage

(e) None of these

44. The three main parts of the processor are_______ 

(a) ALU, Control Unit and Registers

(b) ALU, Control Unit and RAM

(c) Cache, Control Unit and Registers

(d) Control Unit, Registers and RAM

(e) RAM, ROM and CD-ROM

45. Which of the following does not relate to Input Unit ? 

(a) If accepts data from the outside world.

(b) It converts data into binary code that is understandable by the computer

(c) It converts binary data into the human readable form that is understandable to the users.

(d) It sends data in binary form to the computer for further processing

(e) None of these

46. Which printer cannot print more than one character at a time ? 

(a) Line

(b) Daisy-wheel

(c) Laser

(d) Dot-matrix

47. ________key is the example of Toggle key

(a) Alt

(b) Shift

(c) Control

(d) Escape

(e) Caps Lock

48. Video controller 

(a) Controls the resolution of images on screen

(b) Controls the signals to be sent and received from processor for display

(c) Handles the entire electronic work behind the formation of images on the screen

(d) Is responsible for allocating pixels for formation of images

(e) Is responsible for the refresh rate of the screen / monitor

49. Which of these is a point-and-draw device ?

(a) mouse

(b) scanner

(c) printer

(d) CD-ROM

(e) Keyboard

50. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits? 

(a) ANSI

(b) ASCII

(c) EBCDIC

(d) ISO

(e) None of the above

51. _______ devices convert human-understandable data and programs into a form that the computer can process. 

(a) Printing

(b) Output

(c) Solid State

(d) Monitor

(e) Input

52. The CPU comprises of Control, Memory, and ________ units. 

(a) Microprocessor

(b) Arithmetic/Logic

(c) Output

(d) ROM

(e) Input

53. A joystick is primarily used to/for ___________.

(a) Control sound on the screen

(b) Computer gaming

(c) Enter text

(d) Draw pictures

(e) Print text

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