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WorksheetsProcessor Components
Total questions: 15
Worksheet time: 5mins
Name
Class
Date
1.
What is the full name of the component referred to as the PC
a)
Product Counter
b)
Program Counter
c)
Packet Counter
d)
Personal Computer
2.
During the F-E cycle, the PC is…
a)
Deleted
b)
Initialised
c)
Incremented
d)
Increased
e)
Decremented
3.
The contents of the MBR are transferred to which other register during the fetch stage
a)
PC
b)
ALU
c)
CIR
d)
MAR
4.
Which register stores the memory location of the next instruction
a)
MAR
b)
MBR
c)
PC
d)
CIR
5.
Which register stores the memory location of the data to be retrieved
a)
MAR
b)
MBR
c)
PC
d)
CIR
6.
How many parts are an instruction split into when decoded
a)
2
b)
3
c)
4
d)
5
7.
The opcode tells the cpu…
a)
What data to use in the instructions
b)
What action the instruction is performing
8.
Which register stores the data that has just been retrieved from RAM
a)
MAR
b)
MBR
c)
PC
d)
CIR
9.
The operand tells the cpu…
a)
What data to use in the instructions
b)
What action the instruction is performing
10.
Which of these registers stores the result of calculations
a)
MAR
b)
MBR
c)
Accumulator
d)
CIR
11.
What happens after the execute stage of the F-E cycle
a)
The computer switches off
b)
The processor rests for 1 Mhz
c)
The fetch stage occurs again
d)
The Check stage ensures the instruction was properly executed
12.
What do [ ] mean in F-E notation
a)
A memory location
b)
The contents of
c)
is assigned to
d)
are replaced
13.
What does <-- mean in F-E notation
a)
A memory location
b)
The contents of
c)
is assigned to
d)
are replaced
14.
The decode stage sometimes includes fetching more data
a)
TRUE
b)
FALSE
15.
The decode stage always includes fetching more data
a)
TRUE
b)
FALSE
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