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Edexcel GCSE Computer Science - Topic 4:
Computers Questions and Verified Answers
Q: Central Processing Unit (CPU)
ANS: Hardware that carries out the computer's processing
Q:
Bus
ANS: Group of connections between devices in a computer
Q:
ALU
ANS: Arithmetic / logic unit: part of the CPU that performs calculations and logic
operations
Q:
Register
ANS: Storage location inside the CPU used to hold an instruction, an address or
other single data items
Q:
Control unit
ANS: Part of the CPU that organises other parts of the CPU
Q:
Clock
ANS: Part of the CPU that synchronises the actions of the CPU
Q:
Main memory / Random Access Memory (RAM)
ANS: Temporary storage for data and instructions
Q:
Edexcel GCSE Computer Science - Topic 4:
Computers Questions and Verified Answers
Q: Central Processing Unit (CPU)
ANS: Hardware that carries out the computer's processing
Q:
Bus
ANS: Group of connections between devices in a computer
Q:
ALU
ANS: Arithmetic / logic unit: part of the CPU that performs calculations and logic
operations
Q:
Register
ANS: Storage location inside the CPU used to hold an instruction, an address or
other single data items
Q:
Control unit
ANS: Part of the CPU that organises other parts of the CPU
Q:
Clock
ANS: Part of the CPU that synchronises the actions of the CPU
Q:
Main memory / Random Access Memory (RAM)
ANS: Temporary storage for data and instructions
Q:
