WorksheetsComputer Data Quiz
Total questions: 20
Worksheet time: 19mins
Which register is being described?
Stores the results of the calculations done by the ALU
MAR
MDR
Accumulator
Program Counter
Which register is being described?
Holds the memory address about to be used by the CPU
MAR
MDR
Accumulator
Program Counter
Which statement is TRUE?
Registers are super fast memory, stores tiny instructions which can be accessed by the CPU quickly
Registers are super fast memory, stores lots of instructions which can be accessed by the CPU slowly
Program counter holds the address of next instruction.
instruction register holds_________
the address of current instruction
the instruction
address of next instruction
none of these
The length size of a register is called..
word limit
word size
register limit
register size
During the execution of a program which gets initialized first?
MDR
IR
PC
MAR
The address of next instruction is always stored sequentially in program counter.
True
False
may be
Which Register would be first to be accessed during the Fetch- Decode- Execute cycle?
PC
MAR
MDR
CIR
What does the MAR stand for?
Memory Address Register
Memory Addressed Register
Memory Access Register
Memory Aardvark Register
When something is loaded from memory where do you store the memory address?
The CIR
The MAR
The MDR
The ALU
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 receives and stores the binary value that is stored in MDR then passes it to Control Unit to decode.
MAR
MDR
PC
CIR
ACC
_____ is used to transmit data between areas of the processor.
Data bus
Address bus
Control bus
