MCQ PracticeSingle Best AnswerTopic: Computer Hardware
Q
Input, output and processing devices grouped together represent an
Question ID
#3277
Subchapter
Computer Hardware
Action
Choose one option below
Choose Your Answer
Click an option to check whether your answer is correct.
A
mobile device ✔✖
B
information processing cycle ✔✖
C
circuit board ✔✖
D
computer system ✔✖
D
Correct Answer: D
Explanation
Input, output and processing devices grouped together represent an computer system.
Functioning of a Computer Computer performs four basic functions which are as follows
Input: Information or data that is entered into a computer is called input. It sends data and instructions to the Central Processing Unit (CPU).
Processing: It is the sequence of actions taken on data to convert it into information which is meaningful to the user. It can be calculations, comparisons or decisions taken by the computer.
Output: It makes processed data available to the user. It is mainly used to display the desired result to the user as per input instructions.
Storage: It stores data and programs permanently. It is used to store information during the time of program execution and possible to get any type of information from it.