1.1.1 Architecture Introduction

Question 1

Processors

Answer 1

A processor is a special component that processes data and instructions to control other components within the computer
The two main types of processor are
CPU - Central Processing Unit
GPU - Graphics Processing Unit

Question 2

Secondary Storage

Answer 2

Secondary storage is the memory in which the computer can store the data or instructions which are NOT currently in use

Question 3

Main types of Secondary Storage

Answer 3

• Hard Disk Drive (HDD).
• Solid State Drive (SSD).
• Compact Disc (CD).
• Flash (USB Drive).

Question 4

Primary Storage

Answer 4

Primary storage is the memory in which the computer can store the data or instructions that are currently in use

Question 5

Main types of primary storage

Answer 5

• Random Access Memory (RAM).
• Read-Only Memory (ROM).

Question 6

Input /Output Devices

Answer 6

I/O devices allow users to input data into the computer, or receive a data output from the computer.

Question 7

Examples of Input/Output Devices

Answer 7

• Keyboard.
• Mouse.
• Monitor.
• Speakers.

Question 8

Embedded Systems

Answer 8

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

Question 9

Types of Embedded Systems

Answer 9

Washing machines
Digital cameras
Sat-Navs

Question 10

General Purpose Systems

Answer 10

• General purpose systems are capable of performing many different tasks.
  
  • E.g. PCs
  • E.g. Macs
  • E.g. Smartphones