1.1 Computer Hardware

Question 1

What is Computer Hardware?

Answer 1

Collection of physcial parts of a computer system.

Question 2

What is an Input Device?

Answer 2

A device that allows the user to communicate with the computer.

Question 3

What is an Output Device?

Answer 3

A device that allows the computer to comunicate with the user.

Question 4

Keyboard

Answer 4

One of the most common ways of inputting data into a computer.

Question 5

Mouse

Answer 5

A point and click device that allows the user to comunicate with the computer through a cursor.

Question 6

Scanner

Answer 6

A device that converts a document or photograph into a digital file to be stored on a computer.

Question 7

Sensors

Answer 7

Physical devices such as thermometers, motion sensors and mics that enable the computer to decide if an action will be made.

Question 8

Microphone

Answer 8

Record instructions from user for those who cannot use a keyboard.

Question 9

Graphics Tablet

Answer 9

This can be used in a similar way to a keyboard by tapping on icons.

Question 10

Visual Display Unit (VDU)

Answer 10

Displays information that the user inputs onto the computer screen.

Question 11

Barcode Reader

Answer 11

Handheld device used to capture information from a barcode by using a light source, scanner or decoder.

Question 12

Printers

Answer 12

A machine used to print paper (hard) copies of documents and images.

Question 13

Plotters

Answer 13

Large scale printers used in the commercial industry for bigger products.

Question 14

Speakers & Headphones

Answer 14

Both provide sound to the user.
Speakers provide this to the room
Headphones provide this to the user.

Question 15

Braille Terminal

Answer 15

Specialist Reader for visually impared users which displays text through individual cells on the terminal.