1. Very short questions.(any four) 14)
a. Write down the working principle of a computer.

The answer is below

Explanation:

Computer System is widely known for its ability to perform its functions faster by giving out information.

The computer system operation follows certain principles, some of which are:

1. It makes use of the OPERATING SYSTEM to link the hardware and the software together, without it, the computer system is useless.

2. It works with INPUT DEVICES such as keyboards or stylus. Without input devices, there is no way humans can communicate with the computer system

3. It works with OUTPUT DEVICES such as monitors and speakers. Without output devices, there is no way computers can communicate or give back information to humans.

4. It works with the NETWORK such as LAN or WIFI to provides the sharing of data files to other users or computers. Without the network, the computer system can only work within certain spaces, with no way to share data or files with others far away.

answer; kayla should use the " save as" command;