Systems Software Credit Homework

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Mr Munro
Mr Carey
Mrs Smith
Mr McGivern

Steve is a computer programmer and is considering buying a new computer. He compares two systems.
System 1 has a CD ROM disc drive rather than the CD-RW drive in system 2.
What does CD-RW stand for? [KU] (1 point)

Resource 1

State one similarity and one difference between CD-RW and a CD ROM disc. [KU] (2 points)

What is the main advantage of a DVD-RW over a CD-RW? [KU] (1 point)

System 1 has 4 GB of memory. Describe how it is possible for a CPU to locate a particular location in memory. [KU] (2 points)

Steve opts to buy system 2 as it comes with a scanner. State two functions of an operating system, used when scanning an image and storing it on hard disc. [PS] (2 points)

When Steve is writing computer programs he uses a high level language that is said to be portable. What is meant by the term portable? [KU] (1 point)

High level language programs need to be translated so that the computer can understand them. The types of translator are compiler and interpreter.
Steve decides to use an interpreter. Give one reason why this may be a good choice and one reason why it may be inappropriate. [PS] (2 points)

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