GCSE Computer Science Knowledge Check Jan 19

Which of these contains instructions used by the CPU when a computer is booting up?

• Hard Disk Drive

• RAM

• ROM

• Cache

Which part of the CPU performs operations such as AND, OR and NOT?

• Arithmetic Logic Unit (ALU)

• Control Unit (CU)

• Memory Address Register (MAR)

• Memory Data Register (MDR)

Which of the following types of storage media are commonly used by businesses to archive large amounts of data?

• Hard Disk Drive

• Optical Disc

• Flash Drive

• Magnetic Tape

Processor registers temporarily hold small amounts of data needed by...

• ...the CPU

• ...the RAM

• ...the ROM

• ...the hard disk drive

Which of these types of storage media generally has the highest cost per Gigabyte?

• Hard disk drive

• Solid state drive

• Magnetic tape

• Optical disc

True or False? "In the Von Neumann architecture, the same memory unit is used for data and instructions."

• True

• False

ROM is...

• ...volatile

• ...non-volatile

RAM is...

• ...volatile

• ...non-volatile

A Hard Disk Drive is a type of

• Primary Storage

• Secondary Storage

• Tertiary Storage

Clock speed is...

• ...the number of instructions that a CPU can process at the same time

• ...the number of FDE cycles per second that the CPU can carry out

• ...the number of hertz that the CPU can use in calculations