a) Hardware - Components of a computer that can be seen and touch.
b) Software - The computer programs which is a set of instructions given to a computer.
Question 2, Give an example of
a) an input device - keyboard
b) an output device - monitor
c) secondary storage - hard disk
Question 3, What is the function of the following components?
a) processor - A processor receive instructions, decodes instructions and execute instructions.
b) main memory - Main memory consists of ROM (Read-Only Memory), RAM (Random Access Memory) and Cache memory. In ROM, if the computer is shut down the data is not lost but in RAM, data is lost when the computer is shut down. Cache memory is used to improve the speed of a computer. It does this by storing the most frequent and recently data.
c) secondary storage - This storage is used to increase the amount of memory of a computer and is used as a backup storage.
Question 4, Indicate the following computer system components whether it is a hardware or a software.
| Component | Hardware | Software |
| 1. Web browser | | |
| 2. Main Memory | | |
| 3. Operating system | | |
| 4. Monitor | | |
| 5. Scanner | | |
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