Year 8 AP3 Revision

Which of the following is NOT an example of non-volatile memory?

• ROM

• RAM

• HDD

• SSD

What is the primary purpose of the BIOS?

• To store data permanently

• To control the input and output to and from the CPU

• To execute arithmetic operations

• To manage instructions and control data flow

Describe the Fetch-Decode-Execute cycle in the CPU.

• A process that stores data in RAM

• A cycle that describes how the CPU processes instructions

• A method to convert binary to hexadecimal

• A system to manage input and output devices

How is a mouse click processed by the BIOS, RAM, ROM, and CPU?

• The BIOS stores the click, RAM processes it, ROM displays it, CPU ignores it

• The BIOS controls the input, RAM temporarily stores it, ROM retains it, CPU processes it

• The BIOS ignores the click, RAM processes it, ROM stores it, CPU displays it

• The BIOS processes the click, RAM stores it permanently, ROM ignores it, CPU controls it

Convert the binary number 10101100 to denary.

• 172

• 182

• 127

• 128

A truth table for a circuit using AND, OR, and NOT gates shows:

• All possible input combinations and corresponding outputs

• Only AND gate outputs

• Only OR gate outputs

• Only NOT gate outputs

How are images stored using binary?

• Images are stored as a series of 0s and 1s representing pixel values

• Images are stored as text files

• Images are stored as audio files

• Images are stored as video files

Compress the string XXXYYYZZ using RLE.

• 3X3Y2Z

• 2X3Y2Z

• 3X2Y3Z

• 2X2Y3Z

Bit depth affects the quality of an image by:

• Increasing the number of colors, improving image quality

• Decreasing the number of colors, reducing image quality

• Having no effect on image quality

• Lowering the number of colors, improving image quality

What shortened term is used to define a function in Python?

• def

• func

• fn

• fct