Quiz on Central Processing Unit (CPU)

What is the CPU often referred to as?

• The heart of the computer

• The brain of the computer

• The eyes of the computer

• The hands of the computer

What is the function of the Immediate Access Store (IAS) in the CPU?

• To perform calculations

• To store data temporarily

• To decode instructions

• To manage hardware

What is a register?

• A type of software

• A small high-speed block of memory on the CPU

• A peripheral device

• A network protocol

What does ACC stand for?

• Accumulator

• Access Control

• Arithmetic Control

• Address Counter

Which part of the CPU cycle involves interpreting the instruction?

• Fetch

• Decode

• Execute

• Store

What is the role of the Instruction Register (IR)?

• Stores the address of the next instruction

• Holds the instruction currently being executed

• Decodes the instruction

• Sends signals to other components

What is the benefit of a CPU with a higher clock speed?

• It can store more data

• It can execute more instructions per second

• It uses less power

• It has more cores

What is cache memory used for in a CPU?

• To permanently store data

• To temporarily hold instructions and data

• To increase the number of cores

• To measure clock speed

What is the relationship between clock speed and instruction execution?

• Higher clock speed means fewer instructions per second

• Higher clock speed means more instructions per second

• Clock speed does not affect instruction execution

• Lower clock speed means more instructions per second

What is a characteristic of a touch sensitive screen?

• Converts analogue sound waves into digital format

• Works very like a mouse

• Requires a certain level of expertise to operate

• Can create more accurate digital hand drawings