Key Area 2.4 - Hardware

Question 1

What are some backing storage devices

Answer 1

CD-(R W ROM)
DVD -(R W ROM)
USB flash drive
Hard disk

Question 2

What are some input devices

Answer 2

Joystick
Graphics tablet
Scanner
Webcam
Touchpad
Digital camera
Keyboard
Mouse
Microphone

Question 3

What are some output devices

Answer 3

Thin Film Transistor
Uses transistors to produce a high quality display

Liquid Crystal Display
Uses transistors to control the light passing through the screen

Laser printer
Inkjet printer

Question 4

What are some types of computer

Answer 4

Desktop
Smart phone
Laptop
Supercomputer
Tablet

Question 5

What is the operating system

Answer 5

A set of programs that controls all the tasks a computer carries out

Question 6

Name the parts of the operating system

Answer 6

User interface
Allows the computer to interact with the user through windows and icons

Input / Output
Controls the access to all devices attached to the computer

Memory management
Controls where programs and data are placed in main memory

File management
Deals with how all files are held in backing storage

Error reporting
Let’s the user know if any mistakes have occurred via an error message

Question 7

Give examples of an operating system

Answer 7

Linux
Mac OSX
Microsoft Windows

Question 8

What is clock speed

Answer 8

A measure of how powerful a processor is
Measured in GHz
It regulates and coordinates the activities in the processor