Systems Software Credit Homework

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Mrs Smith
Mr McGivern
Mr Carey
Mr Munro

A company place a job advert looking for a junior programmer with experience in the use of standard operating systems for computers.
One function of an operating system for microcomputers is file management.
State two other functions of an operating system. [KU] (2 points)

The company use a mainframe computer which supports multi-access.
Explain the term multi-access. [KU] (2 points)

Describe a situation where multi-access would be useful. [PS] (2 points)

The operating system of the mainframe computer also supports multi-programming.
What is meant by the term multi-programming? [KU] (2 points)

Describe a situation where multi-programming would be useful. [PS] (2 points)

The mainframe's operating system uses a hierarchical filing system.
What is meant by a hierarchical filing system? [KU] (2 points)

Give one reason why a hierarchical filing system would be useful in a computer system that allows multi-access. [PS] (1 point)

Some of the older computers in the company had a hard disc that had 40 gigabytes of storage space.
If a floppy disc can hold 650 megabytes, approximately how many floppy discs would be required to back up the contents of the whole hard disc? [PS] (3 points)

Some of the company's computers have 2 GB of memory. Describe how it is possible for a CPU to find a particular location in memory. [PS] (1 point)

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