Which of these is not a job of the operating system?

• Stopping unauthorised users accessing files that do not belong to them

• Allocating memory to programs that are running on the computer

• Handling HTTP requests for webpages

Why might an operating system include a disk defragmentation utility?

• To change the size of partitions on the disk

• To reorganise small amounts of unused disk space

• To repair damaged sectors on a disk

How does the operating system manage programs that are running?

• It deletes programs from disk once they have been loaded into memory

• It allocates free memory when a program requests it

• It converts programs to machine code and begins their execution

How would you describe an operating system that is able to execute many programs simultaneously?

• Embedded

• Real-time processing

• Multi-tasking

What is 'off-the-shelf' software?

• Software that is free - you don't need to pay for it

• Ready-to-use software that you can buy

• Software that does not work properly and that is no longer for sale

What kind of software programs are free to use and also allow you to modify them to make them do exactly what you want?

• Freeware

• Proprietary software

• Open-source software

What is bespoke software?

• Software that is designed and developed specially to solve a particular problem

• General-purpose software that can be used to solve many different kinds of problems

• Ready-made software that can be downloaded from the internet

Which of these is not considered an example of a software application?

• A computer game

• A web browser

• A programming language translator

What does the operating system NOT do?

• Allocate memory to programs when they need it

• Make the hardware of the computer easier to configure and use

• Model real-world problems using mathematical formulae

Which of the following explains the word Volatile.

• Volumes of data is stored

• Data is typically lost when power is removed

• Data can be retrived

• Data is saved if the power is lost

• Data can never be lost