3. Hardware - Computer Architecture: Computer Science CIE IGCSE

What processes instructions and data that are input into the computer so that the result can be output?

• CPU

• CU

• ALU

• RAM

• PC

What does CPU stand for?

• Central processing unit

• Central Programming Unit

• Circular Priority Urchin

• Circular Probably Universe

What is a type of integrated circuit built on a single chip?

• CPU

• Micropressor

• Microprocessor

• ALU

• Cache memory

What does the CPU consist of?

• Buses

• Memory

• Units

• Registers

• Embedded system

What are features of Von Neumann Architecture?

• Contains a CPU

• The CPU has direct access to memory.

• Contains an ALU

• Contains a CU

What are features of Von Neumann Architecture?

• The memory stores programs as well as data.

• Stored programs make use of instructions that can be executed in sequential order.

• Memory stores data

• Contains both primary and secondary storage

What are the units in the CPU?

• ALU

• PC

• ACC

• MDR

• CU

What are the registers in the CPU?

• ALU

• PC

• ACC

• MDR

• CU

What are the registers in the CPU?

• ALU

• CU

• CIR

• MAR

What are the buses in the CPU?

• Address bus

• Processing bus

• Control bus

• Data bus

• Microprocessor