Computer Basics !

The primary function of the Central Processing Unit (CPU) is to:

• Store data permanently

• Manage input and output devices

• Perform calculations and execute instructions

• Display information on the screen

A light-sensitive device that converts the printed text, drawing, or other images into digital form is called

• 1. Plotter

• 1. Printer

• 1. Scanner

• 1. OMR

What is the function of RAM in a computer system?

• Store data permanently

• Temporarily store data and instructions for the CPU

• Display information on the screen

• Manage input and output devices

Which of the following is an input device?

• Monitor

• Keyboard

• Printer

• Speaker

Which of the following is an output device?

• Keyboard

• Monitor

• Scanner

• OMR

What is the role of a motherboard in a computer?

• Perform calculations and execute instructions

• Manage hardware resources and provide an interface for user interaction

• Connect and communicate between various components

• Display information on the screen

The central processing unit (CPU) consists of

• Input, output and processing 

• Control unit, primary storage, and secondary storage

• Control unit, arithmetic-logic unit and primary storage

• Control unit, processing, and primary storage

The main use of primary memory is to

• Take the input from the user 

• Store the data and instructions

• Execute the instructions

• Show the results to the user

Characteristics of primary memory in comparison with secondary memory is/are

• Fast

• Volatile

• Costly

• All of these

What is the purpose of the control unit in a CPU?

• Execute instructions

• Store data permanently

• Manage hardware resources

• Display information on the screen