Unit 1 - Information Technology Systems

Question 1

Give examples of Digital Devices

Answer 1

Ticket Scanner
Touch ID
Laptop
Computer
Passport Scanners
Smartwatches
iPad/Tablet
Phone
Heating Control
Heart Rate Monitor
Microwave

Question 2

Describe Input, Process and Output

Answer 2

Data are input into IT systems
Data are processed into meaningful information
Information is output from the IT system

Question 3

Give an example of input, process and output

Answer 3

1. Data is input from the keyboard into web design software
2. Processing happens in the web design software (formatting font, editing words)
3. Information is output when the completed webpage is displayed on the screen

Question 4

What does Primary Storage do?

Answer 4

It is volatile and is wiped every time the computer is turned off

Question 5

What does RAM (Random Access Memory) do?

Answer 5

Every time you open a program, it gets loaded from the hard disk into the RAM

Question 6

Give an example of ROM

Answer 6

The instructions that are used to ‘boot up’ the computer

Question 7

Give examples of Secondary Storage and describe what the examples do

Answer 7

Hard Disks
Solid state storage
Flash Memory
Cloud Storage