1.1 GCSE Computing: CPU Components

Quiz
•
Computers
•
10th Grade
•
Hard
Jon Bridgeman
Used 1K+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
This register contains the address (location) of the instruction being executed at the current time
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
2.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
Either stores the address from which data will be fetched from the CPU, or the address to which data will be sent and stored.
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
3.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
Holds the instruction that is being processed (and translated) or executed
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Performs calculations (i.e. addition, division, multiplication, subtraction)
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Holds the data that is being transferred to or from memory.
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these ARE NOT parts of the CPU? (select as many as appropriate)
Accumulator
General Purpose Register
Input Device
PC (Program Counter)
Output Device
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Used to store the results of calculations while they are in progress
Arithmetic and Logic Unit
Program Counter
Current Instruction Register
Accumulator
Memory Data Register
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