Computer Concepts Midterm 3 lecture Flashcards
Two types of system softwares
Operating system and utility programs
Operating System (OS) functions
Programs that coordinate activities among computer hardware devices. Manages all other programs on computer, stores files, enables to use software program, coordinates use of computer hardware (mouse).
Utility program functions
Helps maintain, repair and protect computer. manages disk drives, printers, media and other devices.
What is user interface and what is it apart of?
part of operating system that allows us to control the computer.
What is virtual memory?
OS uses hard drive to increase memory when RAM is limited.
What are swap files?
system files that temporarily store data from RAM to hard disk.
What is the purpose of both virtual memory and swap files?
Allow for the computer to continue to run when RAM is full and prevent system crashes.
PNP stand for plug and play?
True
T/F? Safe mode enables windows to start without most device drivers.
True
Application programming interface (API) does what?
way for two or more computer programs to communicate with one another.
What are embedded OS devices?
Constructed with very specific purposes, very small system that allows for limited functions so usually in GPS devices and ATMS.
NOS stands for
Network operating system, manages multiuser environment.
P2P meaning and functionality
Peer to Peer operating system, most homes have it, does not require NOS and does not prioritize one computer.
What is a path in regards to file management?
Sequence of folders that lead to a file.
What are the two types of files?
Those that are used for function and those created by us.
