CBSE Class 6 Computer Science Components of Computers MCQs Set 01

Question. Which part of computer system gives result as an output to the user?
(a) Memory
(b) Input Unit
(c) Control Unit
(d) Output Unit

Answer: D

Question. Which memory stores permanent data in computer system?
(a) Primary Memory
(b) RAM
(c) Secondary Memory
(d) All of above

Answer: C

Question. Which is a part of CPU?
(a) Control Unit
(b) Memory Unit
(c) ALU
(d) All of above

Answer: D

Question. Which part of computer system accepts input from the user?
(a) Input Unit
(b) Output Unit
(c) Control Unit
(d) None of these

Answer: A

Question. Which is a most powerful type of computer?
(a) Mainframe Computer
(b) Mini Computer
(c) Micro Computer
(d) Super Computer

Answer: D

True/False:

Question. Intermediate results of processing are stored in storage.
Answer: True

Question. Memory is of two types: Primary and Secondary.
Answer: True

Question. A Control Unit can do mathematical and logical operations
Answer: False

Question. A Computer is an electronic machine.
Answer: True

Question. Process of entering data and programs in computer is called Output.
Answer: False

Write the full forms:

Question. ALU :
Answer: Arithmetic and Logic Unit

Question. RAM :
Answer: Random Access Memory

Question. ROM :
Answer: Read Only Memory

Question. CPU :
Answer: Central Processing Unit

Question. LCD :
Answer: Liquid Crystal Display

Question. CU :
Answer: Control Unit

Question. MU :
Answer: Memory Unit

Question. IPO :
Answer: Input Processing Output