FDE cycle

Why is the Fetch-Execute cycle used inside a computer?

• To search for documents inside the computer

• To execute a program

• To play a video game

The task of the Control Unit (CU) is to perform the arithmetic operations inside the CPU

• True

• False

The program counter holds the address of the ______________ instruction to be fetched from memory

• Previous

• Arithmetic

• Next

The instruction register is used to store a copy of the instruction just fetched

• True

• False

What is the name of the unit in CPU that controls and coordinates all parts of the computer system?

• Arithmetic unit

• Control unit

• Logic unit

• Registers

What are the four basic operations of the Fetch Execute Cycle? (choose all possible answers)

• Fetch

• Execute

• Store

• Decode

• Send

What is the name of the unit that store instructions and data during the Fetch - Execute Cycle?

• Control unit

• Registers

• Arithmetic unit

• Logic unit

This register holds the address of the next instruction when the current instruction is executed by the CPU.

• MAR

• MDR

• PC

• CIR

• ACC

This register receives the memory address from the program counter and passes the address in the main memory using Address Bus.

• MAR

• MDR

• ACC

• CIR

This register stores the binary value, fetched from the memory via Data Bus.

• MAR

• MDR

• ACC

• PC