Year 9 KO 1 -5 Quiz

What is the correct term for when the Control Unit fetches instructions from RAM?

• Fetch
• Repeat
• Execute
• Decode

What is the number of pixels in a specific area of an image called?

• Sample rate
• Bit depth
• Colour depth
• Image resolution

What is the purpose of the MDR in a computer system?

• To control data movement within the CPU
• To store data that is currently being used

• To provide a user interface
• To execute instructions and perform calculations

What is the correct term of the function the Control Unit after receiving the data from the MDR?

• Repeat
• Execute
• Decode
• Fetch

What is the number of bits used to record each sample called?

• Bit depth
• Image resolution
• Sample rate
• Colour depth

Where is the address of the next item of data that is needed by the processor stored?

• Memory Data Register (MDR)
• Accumulator
• Memory Address Register (MAR)
• Program Counter (PC)

What is the smallest unit of a digital image or graphic that can be displayed and represented on a digital display device?

• Kilobyte
• Nibble
• Pixel
• Byte

Which of the following is NOT a characteristic of secondary storage?

• Cost
• Capacity
• Durability
• Binary

What is the number of samples recorded in any given period of time called?

• Image resolution
• Sample rate
• Colour depth
• Bit depth

Which of the following is the largest unit of measurement for data storage?

• Kilobyte
• Nibble
• Petabyte
• Byte