Software

Question	Answer
What does is meant by the term software.	Programs that can run on a computer.
What is a single user operating system?	An OS that can manage one user at a time.
What is a multi-user operating system?	An OS that can manage multiple users at once.
What is custom writen software?	Software written for a specific purpose.
What is open source software?	Software that has a source code that is available to change and redistribute.
What is proprietary software?	A piece of software that is owned by an individual or company (usually the one who created it.)
Advantages of off-the-shelf software?	Has a general set of features for a broad range of users. Also relatively cheap and mostly free from bugs.
Disadvantages of off-the-shelf software?	The user cannot modify the source code as it is inaccessible. They normally come with many features that are not needed which gives a larger file size.
What are 2 functions of an operating system?	Any from: Scheduling Memory management Allocation of resources Keeping track of usage Data/User Security System services Manage hardware Handle network comms
Description of an antivirus?	A program that searches for (and quarantines/removes) viruses on your computer by comparing them to its database.
Description of disk defragmentation?	Relocates program files that have been fragmented throughout the computer over time.
Description of system clean-up?	Removes dead shortcuts, temporary files and old installation files.

Resource summary

	Created by 2bcampbell-wilson about 10 years ago