Types and components of computer systems

What is another name for the CPU?

• central processing unit

• central control unit

• microprocessor

• main processing device

Answer explanation

Another name for the CPU is microprocessor, which is the correct choice among the given options.

What is the full form of BIOS?

• basic input and output system

• binary input and output system

• basic integrated operating system

• none

Answer explanation

The full form of BIOS is basic input and output system.

Why is RAM considered a volatile memory?

• Stores files and data currently in use.

• All of these

• Data is only stored while running applications.

• RAM loses all data when power is turned off or lost.

Answer explanation

RAM is considered a volatile memory because it loses all data when power is turned off or lost.

Input devices cannot receive?

Answer explanation

Data directly, only output devices can receive data from the computer.

Can backing storage be read by the CPU?

• None of these

• Yes but it has to be moved to the ROM first.

• No

• Yes but it has to be moved into the RAM first.

Answer explanation

Backing storage can be read by the CPU, but it has to be moved into the RAM first.

What is a disadvantage of desktops when compared to laptops?

• Not portable

• Shorter battery life

• Less powerful

• Lightweight

Answer explanation

Desktops are not portable, which is a disadvantage compared to laptops that offer greater mobility.