1.5 Systems software Flashcards
(11 cards)
the purpose of operating system software
to maintain the computer system
state one type of user interface
(WIMP) windows, icons, menus, pointers
two features of a user interface (from WIMP)
menu- easy to use no hard commands
user friendly,
windows- dynamically resizeable windows.
custom window size and position.
what is multi-tasking ?
running multiple applications at the same time by giving each one a slice of processor time
an advantage of multi-tasking
Use Multiple Programs
Good Reliability
two ways an operating system manages the memory of a computer
using virtual memory when theres no space in main memory.
allocating programs to pages.
what’s a multi-user operating system
a computer operating system which allows multiple users to access the one system with the OS on it.
what’s the purpose of a device driver
Translate operating system instructions into commands that the hardware will understand
state at least 3 file management actions an OS facilitates
compressing files backing up files deleting files copying files renaming files
state two type of utility system software
compression software
encryption software
state a reason for compressing video files for sharing on the internet
to transfer data quicker
