1.1 Architecture of CPU

Controls the Fetch, Decode, Execute Cycle

• RAM

• CPU

• ROM

• Primary Storage

Answer explanation

CPU is in overall control of the FDE cycle. Within the CPU, the Control Unit (CU) is the component that manages the cycle.

Holds the bootstrap, BIOS, and Motherboard's Firmware

• CACHE

• Virtual Memory

• ALU

• ROM

Which holds the address of the next instruction to be fetched from memory?

• ALU

• MDR

• CU

• PC

This stores the address of the data to be fetched from memory.

• MDR

• MAR

• RAM

• PC

Which performs the mathematical and logical calculations?

• ALU

• MDR

• MAR

• PC

Stores the intermediate results of calculations carried out in the ALU.

• MDR

• ALU

• ACC

• CU

This holds the current data that has been fetched from memory.

• RAM

• MDR

• CU

• ACC

Number of F, D, E cycles carried out per second

• Hertz

• Processing

• Clock Speed

• Bit Rate

Which of these are memory registers?

• CPU
• CU
• MAR
• PC
• SSD

Which of these are not memory registers?

• ALU
• MDR
• ACC
• VPN
• ROM