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Unit 5: System Software

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5.1 Operating Systems

1 Explain why a computer system requires an Operating System (OS)

2 Explain the key management tasks carried out by the Operating System

3 Show understanding of the need for typical utility software provided with an Operating System

4 Show understanding of program libraries

5.2 Language Translators

1 Show understanding of the need for:
• assembler software for the translation of an assembly language program
• a compiler for the translation of a high-level language program
• an interpreter for translation and execution of a high-level language program

2 Explain the benefits and drawbacks of using either a compiler or interpreter and justify the use of each

3 Show awareness that high-level language programs may be partially compiled and partially interpreted, such as Java (console mode)

4 Describe features found in a typical Integrated Development Environment (IDE)

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5.1 Operating Systems

1 Explain why a computer system requires an Operating System (OS)

2 Explain the key management tasks carried out by the Operating System

3 Show understanding of the need for typical utility software provided with an Operating System

4 Show understanding of program libraries

5.2 Language Translators

1 Show understanding of the need for:
• assembler software for the translation of an assembly language program
• a compiler for the translation of a high-level language program
• an interpreter for translation and execution of a high-level language program

2 Explain the benefits and drawbacks of using either a compiler or interpreter and justify the use of each

3 Show awareness that high-level language programs may be partially compiled and partially interpreted, such as Java (console mode)

4 Describe features found in a typical Integrated Development Environment (IDE)


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  • Unit 5: System Software

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