Systems Software Credit Homework

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Mr McGivern
Mrs Smith
Mr Carey
Mr Munro

Paul has an old computer that he is going to try to upgrade for multimedia use.
Suggest one input device and one output device that he could buy to provide multimedia capabilities for the computer. [KU] (2 points)

Suggest one reason why it may not be possible for Paul to upgrade the computer with the hardware you chose in (1) above. [PS] (2 points)

Multimedia presentations require the processing of large data files stored in RAM.
How does the CPU locate data stored in RAM? [KU] (2 points)

Paul has a hard disc on the computer with a storage capacity of 80 GB.
What does GB stand for? [KU] (1 point)

How many Floppy discs would be required to have the same capacity as the hard disc if the storage capacity of a floppy is 1.44 MB? [PS] (3 points)

One development in computer technology is virtual reality.
Virtual reality systems work in real-time.
Why is it necessary to use a real-time operating system for virtual reality? [PS] (2 points)

Name one input device that can be used in virtual reality systems. [KU] (1 point)

All computer systems have a CPU containing an Arithmetic Logic Unit (ALU), a Control Unit and Registers. Explain the purpose of each of these parts of the CPU. [KU] (1 point)

Paul buys a computer with multi-access.
What does multi-access mean? [KU] (1 point)

Paul's new computer has a word length of 32 bits.
What is meant by the term word? (1 point)

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