Define the following Computer terms: hardware, computer peripherals. Give 2 examples of for each

2) Find a picture of Portable computer device (laptop, notebook)

Identify as many components as you can, you must have at least these components: computer casing, keyboard, monitor, scanner, mouse, optical drive, ports. Find the purpose of these components and write below picture

3) Provide definition of following components :

power supply, motherboard, CPU, external cache, internal cache, expansion slots, hard drive, BUS, RAM (random access memory) and ROM (read only memory).

4) What is the unit that a CPUs performance is measured in? What does it mean? Give examples of different types of CPUs and in what computer system you are likely to find them in.