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WorksheetsFDE cycle
Total questions: 11
Worksheet time: 6mins
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
Which of the following is NOT part of Fetch Cycle?
The Program Counter (PC) copies the address of the next instruction it contains into the Memory Address Register (MAR).
The MAR places the address to be used on to the address bus
The instruction on the data bus is loaded into the Memory Data Register (MDR).
The MDR copies the instruction into the Current Instruction Register (CIR).
Control Unit decodes the instruction placed in the Current Instruction Register (CIR).
