3.1 Computer Architecture

Front

What is the main purpose of the CPU?

Back

Fetch, decode, and execute instructions

Front

Which register holds the address of the next instruction to be executed? Options: Accumulator (ACC), Memory Data Register (MDR), Program Counter (PC), Current Instruction Register (CIR)

Back

Program Counter (PC)

Front

What is the function of the Control Bus in a CPU?

Back

Send control signals between components

Front

What happens during the decode stage of the FDE cycle?

Back

The CPU works out the instruction by splitting it into opcode and operand.

Front

What does a clock speed of 3.5 GHz mean?

Back

The CPU can perform 3.5 billion instructions per second.

Front

The _______ holds the address of where data or instructions are fetched from memory.

Back

Memory Address Register (MAR)

Front

The _______ temporarily stores the result of calculations performed in the ALU.

Back

Accumulator (ACC)

Front

A set of parallel wires used to transmit data or signals is called a _______.

Back

Bus

Front

The instruction ADD typically adds a value to the one stored in the _______.

Back

Accumulator (ACC)

Front

_______ systems are small, low-power computers with a single dedicated function.

Back

Embedded