Computer componentns yr12 Unit 1 OCR IT Level 3

What is the main role of a CPU processor in a computer system?

• To convert electricity from AC to DC

• To manage the functions of a computer system by processing data and instructions

• To store data long-term

• To connect expansion cards and ports

Which type of memory is described as volatile storage that stores programs that are currently running?

• Cache Memory

• Read-Only Memory (ROM)

• Random Access Memory (RAM)

• Power Supply Unit (PSU)

What is the characteristic of Read-Only Memory (ROM)?

• It is volatile and loses data when the power is turned off

• It is non-volatile and cannot be changed

• It is used for temporary storage of frequently accessed data

• It is the main circuit board of a computer

What is the most common form of secondary storage within desktop computers?

• Solid State Drive (SSD)

• Magnetic hard disk drive (HDD)

• Optical disc

• Cloud storage

What is a characteristic of magnetic storage when compared to solid state storage?

• More durable

• More portable

• Larger capacity and cheaper per gigabyte

• Faster access speed

Which of the following is an example of solid state storage?

• DVD

• Magnetic tape

• SD card

• Blu-Ray disc

What is a disadvantage of optical storage?

• High capacity

• High cost

• Fragility and susceptibility to scratches

• Portability

What is the function of a Graphics Card?

• It transfers data between servers across a network.

• It processes graphical data (e.g., videos or animations) and converts it into a displayable output on a monitor.

• It allows computers to connect to networks and transfer data to other computers.

• It is required for the computer to manage and use any attached storage devices.

What is the role of a Sound Card in a computer system?

• It transfers data between servers across a network.

• It processes graphical data and converts it into a displayable output on a monitor.

• It converts analogue sound waves into digital data (binary) and vice versa.

• It manages and uses any attached storage devices.

What is the primary use of a Fibre Channel Card?

• To process graphical data and convert it into a displayable output on a monitor.

• To transfer data between servers across a network.

• To connect external devices like printers and scanners to a computer system.

• To convert digital data into analogue sound waves.