Katie S
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GCSE Computer Science (Computer Systems) Quiz on The CPU Quiz, created by Katie S on 04/05/2017.

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Katie S
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The CPU Quiz

Question 1 of 10

1

The CPU controls what the user can and cannot do.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 10

1

Processing power depends on:

Select one or more of the following:

  • Clock speed

  • Power supply

  • Wi-Fi connection

  • Number of cores

  • Bandwidth

  • Cache Size

Explanation

Question 3 of 10

1

Fill the blank spaces to complete the text.

The three main parts of the CPU include: (CU), (ALU) and the .

Explanation

Question 4 of 10

1

The control unit controls what the user can and cannot access

Select one of the following:

  • True
  • False

Explanation

Question 5 of 10

1

The cache is very fast memory in the CPU. Recently used applications are stored here so they are quick to access.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 10

1

The ALU does all of the calculations. The accumulator is stored here

Select one of the following:

  • True
  • False

Explanation

Question 7 of 10

1

Select from the dropdown lists to complete the text.

The ( program counter, personal computer, pipe cable ) (PC) holds the ( number of programs, memory address, name ) of the instruction for each cycle. The accumulator (( ACC, ACM, ACUMLTR )) stores results of the ( decoding, calculations, fetching, executing ) in the ALU. The Memory Address Register (MAR) stores the any memory address for ( all the instructions, the previous instruction, the next instruction ) to be carried out by the CPU. The Memory Data Register (MDR) stores data or instructions that have been ( read and waiting to be written, decoded or waiting to be fetched, fetched or waiting to be written ) to memory.

Explanation

Question 8 of 10

1

The fetch in the FDE cycle does:

Select one or more of the following:

  • Copy memory addresses from PC to MAR

  • Increments the program counter to the address of the next instruction

  • Copies the instruction stored in the MAR address to the MDR

Explanation

Question 9 of 10

1

The decode in the FDE cycle does:

Select one or more of the following:

  • translates the instruction in the MDR

  • decodes the instruction in the MDR

  • CU preps for the next step

Explanation

Question 10 of 10

1

The execute in the FDE cycle performs the instruction

Select one of the following:

  • True
  • False

Explanation