A Level Computing - Operating Systems 1

Which of the following is NOT a function of an operating system:

• Providing an interface between the user and the hardware

• Managing memory

• Allowing the user to organise files

• Managing peripherals

• Creating documents

Which of the following is not a method used by the OS to manage memory:

• Segmentation

• Defragmentation

• Virtual Memory

• Paging

True or False: Pages and Segments are both stored on disk

• TRUE

• FALSE

Which of the following statements is FALSE:

• Segments are LOGICAL divisions

• Pages are fixed size

• When memory is full, instructions are processed from the hard drive

• Paging and segmentation allow programs to run even when they don't have enough memory

A PC has a hard drive with a sector size of 3 kb. It has a page size of 4 kb. What happens when to the system when paging is used?

• It would take 2 disk sectors to store 1 page (with 2 kb spare)

• It would take 1 disk sector to store one page (with 1kb spare)

• It would take 1 disk sector to store one page (with -1kb spare)

• It would take 2 disk sectors to store one page (with 1kb spare)

A diagram of a memory segment is shown here. What part is represented by the red rectangle?

• Stack Segment

• Free Memory

• Data Segment

• Code Segment

A diagram of a memory segment is shown here. What part is represented by the red rectangle?

• Stack Segment

• Free Memory

• Data Segment

• Code Segment

A diagram of a memory segment is shown here. What part is represented by the red rectangle?

• Stack Segment

• Free Memory

• Data Segment

• Code Segment

A diagram of a memory segment is shown here. What part is represented by the red rectangle?

• Stack Segment

• Free Memory

• Data Segment

• Code Segment

What is the name of the process that can occur with frequent use of virtual memory?

• Paging

• Thrashing

• Swapping

• Caching