Please refer to the MCQ Questions for Class 9 Computer Science Computer Components with Answers. The following Computer Components Class 9 Computer Science MCQ Questions have been designed based on the current academic year syllabus and examination guidelines for Class 9. Our faculty has designed MCQ Questions for Class 9 Computer Science with Answers for all chapters as per your NCERT Class 9 Computer Science book.
Computer Components Class 9 MCQ Questions with Answers
Please see below Computer Components Class 9 Computer Science MCQ Questions, solve the questions and compare your answers with the solutions provided below.
Question. A ———————– is composed of set of communication lines or wires.
(a).BUS
(b).USB
(c).Port
(d).Connector
Answer
A
Question. Capacity of bus depends upon the number of ——————— it contains.
(a).datalines
(b).bit lines
(c).control lines
(d).port lines
Answer
A
Question. Address bus only connects ——————– and ——————-
(a). CU, ALU
(b).CPU, RAM
(c).CPU, Monitor
(d).CPU, ROM
Answer
B
Question. If an address bus has 8 lines, the maximum number of memory locations that can be addressed are —–
(a).256
(b).255
(c).128
(d).1024
Answer
A
Question. Control bus carries ——————————- from control unit to other units
(a).data information
(b).control information
(c).address information
(d).only information
Answer
B
Question. ———————-directs the transfer of data from memory to the ALU
(a).CU
(b).ALU
(c).CPU
(d).ROM
Answer
A
Question. Computer storage is also referred to as computer —————–.
(a).cache
(b).Memory
(c).processing
(d).program
Answer
B
Question. Parallel port is much —————- than serial port
(a).Equal
(b).similar
(c).faster
(d).slower
Answer
C
Question. Parallel port can transmit —————— bits of data at a time.
(a).9
(b).25
(c).64
(d).32
Answer
B
Question. Most devices that send and receive large amount of data, use ——————- ports
(a).parallel ports
(b).COM ports
(c).Ports
(d).None
Answer
A
Question. There are ————— type of computer memory.
(a).two
(b).three
(c).four
(d).five
Answer
A
Question. ———– memory is directly accessible by the processing unit.
(a).main
(b).secondary
(c).tape drive
(d).CD ROM
Answer
A
Question. Through ———————— devices we feed data to the computer.
(a).hardware
(b).pointing devices
(c).input device
(d).display devices
Answer
C
Question. USB has a maximum bandwidth of ————————
(a).8Mbits/sec
(b). 12Mbits/sec
(c). 24Mbits/sec
(d). 64Mbits/sec
Answer
B
Question. Up to ———————– devices can be attached with USB
(a).132
(b).124
(c).126
(d).127
Answer
D
Question. Tape drive is ——————- device
(a).storage
(b).processing
(c).input
(d).output
Answer
A
Question. Computer after processing data gives output through some devices called—-
(a).output devices
(b).pointing devices
(c).input device
(d).display devices
Answer
A
Question. A socket that enables and external device to be attached to the computer is called——————-
(a).USB
(b).connector
(c).Bus
(d).Port
Answer
D
Question. All communication with the external devices is the result of properly connected———————-
(a).bus
(b).USB
(c).port
(d).connector
Answer
C
Question. As soon as the computer is switched off the —- of the main memory are lost.
(a).address
(b).signals
(c).contents
(d).text
Answer
C
Question. The additional memory required in all computer systems is called————-
(a).secondary memory
(b).tertiary memory
(c).primary memory
(d).main memory
Answer
A
Fill in the blanks :-
Question. EAROM stands for________________________:____________.
Answer
Electrically alterable read only memory
Question. __________performs different arithmetical and logical operations such as addition, subtraction, division and logical comparison on numerical data in the binary system.
Answer
ALU
Question. The capacity of a storage device is expressed as number of_____.
Answer
Bytes, characters or bits
Question. One__________is a group of eight bits that forms one character.
Answer
Byte,
Question. A computer along with its peripheral devices is called as______.
Answer
Computer system
Question. The work carried out by a computer system is known as _______which means the use of electronic machine to derive results.
Answer
Eectronic Data Processing (EPD)
Question. A computer system has two major divisions known as______and________.
Answer
computer hardware, computer software
