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GCSE Revision Logic and FDE Flashcards | StudBud
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GCSE Revision Logic and FDE
GCSE Revision Logic and FDE
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1
Which logic gate does this represent?
NOT
NAND
OR
AND
2
What is the part of the CPU that sends a regular pulse of electricity
Clock
Control Unit
Arithmetic Logic Unit
Accumulator
3
What is the name of this logic gate?
XOR
NOT
AND
OR
4
What is the part of the CPU that performs logical and mathematical operations?
Control Unit
Accumulator
Arithmetic Logic Unit
Clock
5
Which is secondary storage?
HDD
RAM
ROM
CD
6
What is the output if A=1 and B=0
4
2
0
1
7
Which logic gate does this represent?
NOT
NAND
OR
AND
8
Which part of the FDE cycle moves an instruction from main memory to the CPU?
Fetch
Execute
RAM
Decode
9
What is the part of the CPU that decodes the current instruction?
Arithmetic Logic Unit
Clock
Accumulator
Control Unit
10
What is the output if A=0 and B=1
0
2
4
1
11
"Main Memory" refers to which component?
RAM
Cache Memory
ROM
Hard Drive
12
What logic gate does this truth table represent?
NOT
AND
OR
XOR
13
What is the correct expression for this logic gate sequence?
(( NOT A ) AND B ) OR C
( B OR A ) AND ( NOT C )
( NOT A ) AND ( B OR C )
( B AND C ) OR ( NOT A )
14
Which logic gate does this represent?
AND
NAND
OR
NOT
