CBSE Class 7 Computer Science Components of Computer System MCQs

Question. Printed information, called __________, exists physically and is a more permanent form of output than that presented on a display device ?
a) soft copy
b) carbon copy
c) hard copy
d) desk copy

Answer : C

Question. 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

Answer : A

Question. The term _________ refers to any computer component that is required to perform work. ?
a) bootstrap
b) kernel
c) resource
d) source code

Answer : C

Question. Which of these is a point-and-draw device ?
a) mouse
b) scanner
c) printer
d) CD-ROM

Answer : A

Question. 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

Answer : B

Question. A -------- can make it easier to play games ?
a) mouse
b) joystick
c) keyboard
d) pen

Answer : B

Question. Most of the commonly available personal computers/laptops have a keyboard popularly known as __________ ?
a) QWERTY
b) QOLTY
c) ALTER
d) UCLIF

Answer : A

Question. Scanner scans ?
a) Picture
b) Text
c) Both Picture and Text
d) Neither Picture Nor Text

Answer : C

Question. A scanner scans ?
a) Pictures
b) Text
c) Both Pictures and Text
d) Neither Pictures nor Text

Answer : C

Question. A __________ is an example of an input device ?
a) keyboard
b) monitor
c) Mouse
d) central processing unit

Answer : A

Question. Which printer cannot print more than one character at a time ?
a) Line
b) Daisy-wheel
c) Laser
d) Dot-matrix

Answer : B

Question. For selecting or highlighting, which of the following is generally used ?
a) Icon
b) Keyboard
c) Mouse
d) Floppy Disk

Answer : C

Question. 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

Answer : C

Question. A keyboard is this kind of device ?
a) black
b) input
c) output
d) word processing

Answer : B

Question. The part of the CPU that accesses and decodes program instructions, and coordinates the flow of data among various system components is the ?
a) ALU
b) control unit
c) megahertz
d) motherboard

Answer : B

Question. The ALU performs _________ operations ?
a) logic
b) ASCII
c) algorithm-based
d) logarithm-based

Answer : A

Question. Which of the following is part of the system unit ?
a) Keyboard
b) Floppy disks
c) Monitor
d) Memory

Answer : D

Question. __________ provides the means to move the pointer on the screen and give information to computer by clicking its buttons ?
a) Scanner
b) Mouse
c) Keyboard
d) Program

Answer : B

Question. The most common input devices include ?
a) Monitor and keyboard
b) Monitor and mouse
c) Printer and keyboard
d) Printer and mouse

Answer : A

Question. 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

Answer : D

Question. This type of hardware consists of devices that translate data into a form the computer can process ?
a) application
b) input
c) system
d) All of these

Answer : B

Question. The main system board of a computer is called the ?
a) integrated circuit
b) motherboard
c) processor
d) microchip

Answer : B

Question. The physical components of a computer system ?
a) Software
b) Hardware
c) ALU
d) Control Unit

Answer : B

Question. Which of the following is not an output device ?
a) Plotter
b) Printer
c) Scanner
d) Monitor

Answer : C