What is application software
Enables the computer to do a paticular task
What is system software
the operating system and utility programs that enable the computer to operate its hardware and application software
What are the system softwares
Allocating memory
Storage
Processing time
What is real- time processing
Data is processed immediately after input . Booking systems and air traffic control use this
What is batch processing
Data collected over a period of time and processsed at a later time e.g billing systems and payrolls
What is multi used system
Many users at different computers sharing same processor
What is a utility application
A program that performs a specific task
What is disk defragmentation
Rearranges the data on a hard disc so that all data is stored together. Easy to access files.
What is task scheduling
time is divided amongst among a number of tasks
What is backup
Second copy of a file is made in case first is destroyed
What is the role of antivirus software
Main purpose to detect,locate and remove virus.
What is the name of the sequence loading an operating system
Booting up
What is an operating system
Software that manage hardware and software resources. Provides user with interface
