Last updated on June 28th, 2023 at 11:43 pm
Parts of A Computer Class 3 Worksheet
Parts of Computer Class 3 Worksheet Grade 3 Computer Question Answers | a computer system class 3 questions and answers | for the students of CBSE / …
Fill in the blanks:
Input devices are mainly …………………devices. [internal / external]
It is a device that fits under the palm of our hand. …………………mouse
It is an input device which is used for playing games…………………. joystick
Computer receives the data from ………………devices. input
Keyboard, mouse, and scanner are examples of ………………. devices. [input]
Answer the following questions: –
- [Q] What is the process of entering data and instructions into a computer?
- We use input devices like a keyboard and mouse to enter data and instructions.
- [Q] What do you call the information that you enter into the computer?
- Data
- [Q] What part of a computer displays the output?
- Monitor displays the output.
- [Q] What is known as the brain of a computer?
- CPU -central processing unit is known as the brain of the computer.
- [Q] What is a computer?
- A computer is a smart machine that can do many things – play games, write letters, draw pictures, listen to music, do the math, etc.
- [Q] Define input?
- An input device is a device that allows us to enter data and instructions into a computer using a keyboard or mouse.
- [Q] Define output?
- When data is processed in a CPU to produce useful information, this is referred to as output.
- [Q] What are the main parts of the CPU?
- A CPU is made up of 3 main parts: –
- MU – Memory Unit
- CU – Control Unit
- ALU – Arithmetic and Logical Unit
- [Q] How many types of monitors are there?
- There are 3 types of monitors: –
- CRT – Cathode Ray Tube
- LCD – Liquid Crystal Display
- LED – Light Emitting Diode
Write the full forms
| IPO | Input Process Output |
| CPU | Central Processing Unit |
| CU | Control Unit |
| VDU | Visual Display Unit |
| MU | Memory Unit |
| CU | Control Unit |
| CRT | Cathode Ray Tube |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| Also Check – Computer Olympiad Mock Test Class 3 – QB |
Important points: –
Computers work with data and instructions.
