2~Components of Computer System
1.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
D) Mouse, Keyboard, Scanner
2.Which of the following groups consist of only output devices?
- A) Scanner, Printer, Monitor
- B) Mouse, Keyboard, Printer
- C) Plotter, Printer, Monitor
- D) Mouse, Keyboard, Scanner
C) Plotter, Printer, Monitor
3.A series of instructions that tells a computer what to do and how to do it is called a
- A) program
- B) user response
- C) processor
- D) command
A) Program
4.Any data or instruction entered into the memory of a computer is considered as
- A) information
- B) input
- C) storage
- D) output
B) Input
5.For seeing the output, you use––––––
- A) monitor
- B) mouse
- C) keyboard
- D) scanner
A) monitor
6.Which of the following is not an input device?
- A) Microphone
- B) Joystick
- C) Keyboard
- D) Monitor
D) Monitor
7.Codes consisting of lines of varying widths or lengths that are computer-readable are known
- A) an ASCII code
- B) a magnetic tape
- C) an OCR scanner
- D) a bar code
D) a bar code
8.Video processors consist of_____and_____
which store and process images.
- A) CPU and VGA
- B) CPU and memory
- C) VGA and memor
- D) VGI and DVI
D) VGI and DVI
¶ Virtual Gateway Interface
¶ Digital Visual Interface
9.The main circuit-board of the system unit is the
- A) Motherboard
- B) computer program
- C) control unit
- D) RAM
A) Motherboard
10.Which keys enable the input of numbers
quickly?
- A) ctrl, shift and alt
- B) the numeric keypad
- C) function keys
- D) arrow keys
B) the numeric keypad
11.What type of keys are ‘ctrl’ and ‘shift’?
- A) function key
- B) modifier
- C) adjustment
- D) alphanumeric
B) modifier