Describe how an operating system organises files and folders.
Explain one way an audit trail helps programmers create robust software.
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Exam code: 1CP2
Describe how an operating system organises files and folders.
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Explain one way an audit trail helps programmers create robust software.
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A code review is carried out by a programmer or an automated system.
Both methods cost money.
Complete the table with one other disadvantage for each method.
Method of code review | Disadvantage |
|---|---|
By a programmer | |
By an automated system |
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Identify the purpose of defragmentation software.
Compressing data
Encrypting data
Organising data
Protecting data
Choose your answer
One function of an operating system is to manage processes.
(i) Describe one way the operating system makes sure each process can use the CPU.
(2)
(ii) Give one other function of an operating system.
(1)
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Identify two reasons for using data compression.
Reduces data transfer times
Reduces disk fragmentation
Reduces required storage space
Reduces the chance of data being hacked
Reduces the need for error detection and correction
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Robust software must be free from vulnerabilities before it is released to users. Programming bugs are one type of vulnerability.
State two other types of vulnerability.
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Some users are given administrator privileges.
Explain one way an operating system allows an administrator to manage users.
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