1.1.3 Input, Output And Storage- (a. Device applications for different problems)

What are computer systems made of?

Hardware and software which work together

What is hardware?

The physical components of the computer

What is an example of hardware?

Secondary storage

What is secondary storage?

The memory in which the computer can store the data or instructions which are NOT currently in use.

Not all computer systems use secondary storage.

What are example of secondary storage?

-Hard Disk Drive (HDD).

-Solid State Drive (SSD).

-Compact Disk (CD).

-Flash (USB Drive)

What is the purpose of input/output devices?

Allow users to input data into the computer, or receive a data output from the computer.

What are example of input/output devices?

-Keyboard.

-Mouse.

-Monitor.

-Speakers.

What is Primary Storage?

The memory in which the computer can store the data or instructions that are currently in use

What are examples of Primary Storage?

RAM and ROM

What is a processor?

Special component that processes data and instructions to control other components within the computer

What are examples of processors?

GPU and CPU

What are embedded systems?

a computer system which is built into another device to support its operation.

- Cost effective

- Specialised

- Simple hardware

What are example of embedded systems?

Washing machines.

Digital cameras.

Sat-Navs.

What are general purpose systems?

Capable of performing many different tasks.

What are example of general purpose systems?

PCs

Macs

Smartphones