applications and generations

Question 1

applications software

Answer 1

Applications software is designed to be used by the end-user to perform one specific task.
Application software requires systems software in order to run.
Examples: desktop publishing, word processing, spreadsheets, web browser

Question 2

systems software

Answer 2

Systems software is low-level software that is responsible for running the computer system
smoothly, interacting with hardware and generally providing a platform for applications
software to run. Examples: library programs, utility programs, operating system, device drivers.

Question 3

utillities

Answer 3

Utilities are a key piece of system software integral to ensuring the consistent, high performance of the operating system.

Question 4

compression

Answer 4

Operating systems provide utilities that
enable files to compressed and
decompressed. This is used when
compressing large files to be
transmitted across the Internet and is
commonly used to compress scanned
files

Question 5

Disk defragmentation

Answer 5

As the hard disk becomes full, read/write times slow down. This is because files become fragmented as they are stored in different parts of memory.

Thedisk defragmenter utility rearranges the contents of the hard drive so theycan be accessed faster, thus improving performance.

Question 6

Antivirus

Answer 6

Antivirus is responsible for detecting potential threats to the computer,alerting the user and removing these threats.

Question 7

• Automatic updating

Answer 7

This utility ensures the operating system is kept up to date, with any updates being automatically installed when the computer is restarted. Updates tackle
bugs or security flaws so this ensures the system is less vulnerable to malware and hacking threats.

Question 8

• Backup

Answer 8

The backup utility automatically creates routine copies of specific files selected by the user. How often files are backed up is also specified by the
user. This means that in the event of a power failure, malicious attack other accident, files can be recover