CPU & LMC
Authored by Mr Abbas
Computers
7th - 11th Grade
Used 233+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the CPU?
To make sure that the RAM is working properly
To get the computer started and complete the boot sequence
To carry out the fetch-decode-execute cycle.
To make sure that the computer is functioning properly
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main parts of a program instruction?
RAM and ROM
ALU and Control Unit
Cache and Registers
Opcode and Operand
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens during the fetch stage?
The CPU fetches data and instructions from main memory and stores them in its own registers.
The CPU fetches instructions from the hard drive.
The CPU fetches instructions from the ROM
The CPU fetches data and instructions from the registers
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of the CPU's registers?
These are used to permanently store data and instructions
These are used to temporarily store data and instructions.
They are used to keep track of the CPU speed.
They are used to check the CPU's processing power
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of the Program Counter (PC) register?
This is used to hold the instruction that needs to be carried out.
This is used to save information.
This is used to hold the location of the data.
This is used to store the memory address of the next instruction.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of the Memory Address Register (MAR)?
This holds the instruction to be carried out by the CPU.
This hold the location of where the data is.
This is used to carry out calculation.
This is used to keep track of which instruction is next.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of Memory Data Register (MDR)?
This holds all the data that needs to be processed.
This carries out the calculations.
This holds the location of where the data will be loaded from or stored.
This register saves information to the hard drive.
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