Software Flashcards
What is System Software?
Interface between hardware and software
What is Application Software?
Enables a computer to do a specific task
Explain Operating System
Is a piece of software which manages all other programs on the computer
Windows is an example of ________?
Operating system
Functions of operating system
1) Allocates memory
2) Allocates storage
3) Allocates processing time
What is a Utility Program?
A program that carries out a specific task
Examples of Utility Program
1) Disk Defragmentation
2)Task Scheduling
3)Data backup and restore
Explain Task Scheduling
The operating system allocates processing time based on task priority
Explain Disk Defragmentation
1) File is broken down into a number of blocks by the operating system which is then stored on free block space on the disk
Name the type of processing in which the data is processed immediately after input which influences the next input received
Real Time Processing
What type of processing do airlines use?
Real Time Processing
Explain Batch Processing
When data is collected over a period of time and processed at an agreed time
What is the type of file which stores new data?
Transcation File
What file contains current customer information Information
Master file
Multi-User Processing
Several users have individual control of the system at the same time
What is Backup
a copy of the original file incase it gets damaged or lost
Why do you need to backup?
1) accidently delete the file
2) Virus corrupts the file
3)Hard Disk Fails
Explain Virus
A program that attaches itself into a file and when the file is open, its spreads itself to other files and other computers in the same internet
Explain Anti Virus
Used to detect and remove malicious software and viruses from the computer
