1 Exampromax - Stuvia US
Edexcel GCSE Computer Science - Topic 4:
Computers Questions and Answers 100%
Correct Answers Already Graded A+
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
Exampromax - Stuvia US
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: Volatile memory
Ans: Memory that is lost when the power is switched off, RAM is volatile
Edexcel GCSE Computer Science - Topic 4:
Computers Questions and Answers 100%
Correct Answers Already Graded A+
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
Exampromax - Stuvia US
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: Volatile memory
Ans: Memory that is lost when the power is switched off, RAM is volatile
