WorksheetsFetch-Execute cycle
Total questions: 16
Worksheet time: 16mins
Which Register would be first to be accessed during the Fetch- Decode- Execute cycle?
PC
MAR
MDR
CIR
What Do the letters PC stand for in the PC Register
Program Counter
Process Counter
Programmer Counter
Counter Strike
What does the MAR stand for?
Memory Address Register
Memory Addressed Register
Memory Access Register
Memory Aardvark Register
What is the name of the unit in CPU that controls and coordinates all parts of the computer system?
Arithmetic unit
Logic unit
Control unit
Registers
What is the name of the unit in the CPU that performs arithmetic and logic operations?
ALU
CU
MAR
MDR
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 and stores the binary value that is stored in MDR then passes it to Control Unit to decode.
MAR
MDR
PC
CIR
ACC
This register stores the value that is pointed in the memory after the decoded binary value is executed.
MAR
CU
PC
CIR
ACC
What happens simultaneously as the data is moved to the Memory Address Register?
The instruction is executed
The ALU is prepared to execute arithmetic or logic operations
Data is sent via the data bus to the ALU
The Program Counter is incremented with the memory address of the next instruction to be "fetched"
Used to transmit data between areas of the processor.
Data bus
Address bus
Control bus
