AS Level- M3 Computers and their components Quiz

What type of memory is volatile and loses its contents when the power is turned off?

• Dynamic RAM (DRAM)

• Static RAM (SRAM)

• Hard disk drive (HDD)

• Read-only memory (ROM)

Which type of storage device uses laser light to read and write data?

• Flash memory

• Optical storage

• Hard disk drive (HDD)

• Solid state drive (SSD)

What is the main advantage of SRAM over DRAM?

• SRAM is used for long-term storage.

• SRAM has a higher memory capacity.

• SRAM does not need to be refreshed constantly.

• SRAM is less expensive to manufacture.

Which type of memory can be programmed more than once using ultraviolet light?

• Erasable PROM (EPROM)

• Programmable ROM (PROM)

• Static RAM (SRAM)

• Read-only memory (ROM)

What is the purpose of a digital to analogue converter (DAC)?

• To convert analogue data into digital format.

• To convert digital data into electric currents.

• To store data permanently.

• To refresh memory contents.

Which type of touch screen technology allows the use of gloved fingers?

• Infrared

• Optical

• Resistive

• Capacitive

What is the main disadvantage of using SSDs compared to HDDs?

• Higher power consumption.

• Slower data access speeds.

• Higher cost per gigabyte.

• Larger physical size.

Which type of RAM needs to be constantly refreshed to retain data?

• Flash memory

• Static RAM (SRAM)

• Dynamic RAM (DRAM)

• Read-only memory (ROM)

What is the primary function of a sensor in a computer system?

• To convert digital data into analogue.

• To read physical data from its surroundings.

• To process information.

• To store data.

Which type of storage device is typically used for backing up files?

• Solid state drive (SSD)

• Dynamic RAM (DRAM)

• Removable hard disk drive

• Read-only memory (ROM)