Operating Systems & Utility Software (OCR GCSE Computer Science): Exam Questions

Layla uses utility system software.

State the purpose of utility system software

Layla uses a backup utility. She performs both full and incremental backups.

Explain the reasons why Layla performs both full and incremental backups.

Ali’s tablet computer has an operating system.

Complete the following description of the functions of an operating system by selecting the appropriate missing words from those in the box.

Xander’s tablet computer comes with system software, including an operating system and utility system software.

The operating system provides file management.

Identify three ways that Xander can make use of the file management facility.

The utility system software provides compression software. Xander uses this to compress an image.

Explain how the compression software will compress the image file.

Give the name of two other types of utility system software

William’s computer has utility programs installed including automatic backup.

William can choose between a full or incremental backup.

Identify the backup method William should use to backup the computer, justifying your choice.

Give one additional utility program William could make use of and describe how he would use it.

A computer has an operating system and utility software.

The table contains operating system functions and a task that each function performs.

Complete the table by writing the two missing function names and a task performed by the two given functions.

A restaurant has a computer-based ordering system which is running slowly. A technician has said that the hard disc drive is fragmented. The technician has suggested using utility software to defragment the drive.

Explain how the restaurant’s hard disc could have become fragmented.

Explain how defragmentation software could overcome the issue of the slow computer system.

Layla uses her computer to create educational games

Layla makes use of system software.

One type of system software is the operating system.

Identify and describe two functions of an operating system.

Ali runs defragmentation analysis on his magnetic hard disk. Parts of the results are shown.

Explain how defragmentation will change how the files and free space are arranged on Ali’s hard disk.

After defragmentation, Ali’s computer is able to access files faster.

Explain why Ali’s computer can access the files faster after defragmentation.

Give three additional examples of utility programs.

Complete the description of utility system software using the words provided in the list. Not all words are used.

• access

• amount

• apart

• compression

• consecutive

• defragmentation

• deleted

• encryption

• key

• lock

• quantity

• separate

• speed

• understood

................................................ software changes data using a ............................................... . If the changed data is intercepted, it cannot be ............................................... . This software does not stop the data from being intercepted. ............................................... software analyses the data on a disk to find files that have been split and stored in separate locations. The split files are moved to be ............................................... in storage and the free space is moved together. This does not provide more storage space on the disk, instead it makes the ............................................... of the data faster because the read head does not have to move as far to access the next part of the file.