SOF102 2025/09 Topic 2 (DMT)

The main circuit board of a computer is called the:

• Power supply

• Processor

• Motherboard

• Hard drive

What is the function of the system clock?

• To store instructions temporarily

• To control the timing of all computer operations

• To manage power supply

• To cool down the processor

What is the correct sequence of the machine cycle?

• Decode → Execute → Store → Fetch

• Execute → Fetch → Decode → Store

• Fetch → Execute → Decode → Store

• Fetch → Decode → Execute → Store

The purpose of an adapter card is to:

• Increase data transfer speed in the bus

• Enhance or add functions to a computer system

• Store permanent data

• Power peripheral devices

The size of a bus determines:

• The speed of the CPU fan

• The voltage supplied to components

• The number of bits that can be transmitted at one time

• The storage capacity of RAM

Which of the following best describes Bluetooth technology?

• Short-range wireless communication

• High-speed wired data transfer

• Long-range internet connection

• Optical data transmission

Which statement is TRUE about Flash Memory?

• It is volatile and temporary

• It can be electronically erased and reprogrammed

• It is slower than hard drives

• It requires continuous power to store data

A connector is used to:

• Join a cable to a port

• Store data temporarily

• Convert AC to DC

• Control system operations