Software Flashcards
what is software?
software refers to all programs (set of instructions) that can be run on a computer
two main categories of software
system software and application software
what is system software
system software is needed for the computer to function
what is application software
application software is needed for users to perform tasks
what is system software question 1
a set of programs that cause the computer to function
system software controls
the operation of a computer
system software contains
utility programs, operation system programs, translation programs
operating system programs
the most important program that runs on a computer; Every computer must have one to run other programs
operating system programs cont
for large systems, the operating system makes sure that the different programs and users running at the same time does not interfere with each other
operating systems programs lastly
controls all hardware devices
performs basic tasks
recognizing input from the keyboard
sending output to the display screen
keeping track of files and directories on the disk
controlling peripheral devices such as disk drives and printers
manages
system security , ensuring that the unauthorized users does not access the system and users can perform only those tasks assigned after entering a password.
also manages
the transfer of data to and from peripherals
it lastly manages
system resources e.g memory and the allocation of the CPU time to the task being run
what are utilities
part of a operating system programs that performs a maintenance task.