Computer System Part 1

These types of OS are designed for everyday use - they are visual and interactive (e.g. Windows 10, Andriod, Mac OS)

• GUI (Graphical User Interface)
• CLI (Command-Line Interface)
• Multi-Tasking

Allows the user to interact with the computer

• Operating System
• User interface
• Device Drivers
• Main Memory

Approximate example size of computer MEMORY (e.g. RAM)

• 8gb
• 1tb
• 128kb

Approximate example size of computer ROM (e.g. BIOS)

• 128kb
• 1tb
• 8gb

Approximate example size of desktop computer SECONDARY STORAGE?

• 1tb
• 8gb
• 128kb

As soon as the computer is powered on, this read only memory (ROM) chip tells the computer how to boot up

• BIOS
• Virtual Memory
• Cache

CD, DVD and Blu-Ray are all types of these

• Magnetic Disks
• Optical Discs
• Flash Disks

Computer designed to perform many tasks, e.g. PC or tablet

• Embedded System
• Hard Disk Drive
• General Purpose Computer

Computers built into devices ('dedicated systems'), e.g. Microwaves, TVs, Washing Machines

• General Purpose Computer
• Hard Disk Drive
• Embedded System

Connects all the hardware on a circuit board

• Motherboard
• CPU
• Embedded System