Grade7 revision

There are three main types of printer

• True

• False

They are the first of the kind of printers that print in color.

• Dot matrix printers

• Laser printers

• Ink Jet printers 

Advantages of using laser printers is:

Incurs low cost

• True

• False

---------------- is a set of instructions that a computer executes to perform a specific task.

• Hardware

• Software

• System unit 

A person who develops software is known as a software engineer.

• True

• False

----------------- preform basic tasks, such as recognizing input from the keyboard, sending output to the display screen.

• Programming language

• Operating system

• Tailor- made software

This software is dedicated to end-users and helps them preform computer tasks in their daily work.

• Operating system

• Programming language

• End-user software

------------- is the raw form of information stored in the computer.

• Data

• Data security

Data security is the practice of keeping the data protected from corruption and unauthorized access

• True

• False

Hardware problem software error, virus infection from the internet can harm your data.

• True

• False