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Flashcards in Chapter 9 Deck (31)
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1

operating system

a set of programs that coordinate all the activities among computer or mobile device hardware

2

operating system responsibilities

start/shut down
provide user interface
manage programs
manage memory
coordinate tasks
configure devices
monitor performance
establish internet connection
provide file management
updating software
network control
administer security

3

platform

aka operating system bc platform supports the applications

4

kernel

the core of the operating system that manages memory and devices, maintains the internal clock, runs programs, and assigns the resources

5

cold booting a computer

starting a computer from a state when it's powered off

6

warm booting a computer

restarting a computer while it remains powered on

7

sleep mode

the computer technically stays on, but only uses a bit of power ("standby")

8

hibernate mode

your computer or laptop will not use any battery power

9

user interface

controls how you enter data and instructions and how info is displayed on the screen

10

graphical user interface

interact with menus and visual images

11

command-line interface

a user types commands represented by short keywords or abbreviations or presses special keys on the keyboard to enter data and instructions

12

single-tasking operating system

can handle only one program or app to run at a time

13

multi-tasking operating system

allows two or more programs or apps to reside in memory at the same time

14

foreground

the program you're currently using- the active one

15

background

the program that's hidden partially or completely behind the foreground program

16

memory management

optimizes the use of the computer or device's internal memory

17

virtual memory

a portion of a storage medium functioning as additional RAM

18

plug and play

a user plugs in a device and then immediately can begin using the device without having to configure it manually

19

performance monitor

a program that assesses and reports information about various computer resources and devices

20

driver

a small program that tells the operating system how to communicate with a specific device

21

buffer

a segment of memory where items are placed while waiting to be transferred from an input device to an output device

22

spooling

sending docs to be printed to a buffer instead of sending them immediately to the printer

23

tools that come with an operating system

related to managing a computer, its devices, or its programs:
file manager
search
image viewer
uninstaller
disk cleanup
disk defragmenter
screen saver
file compression
PC maintenance
backup restore

24

server operating systems

multiuser operating system that organizes and coordinates how to allow multiple users to share a printer, internet access, files, and programs

25

network admin uses operating system to:

add/remove users, computers, and other devices
configure the network, install software and administer network security

26

windows, OS X, UNIX, Linux are examples of

operating systems

27

Linux

a popular, multitasking UNIX-based operating system

28

open source software

has no restrictions from the copyright holder regarding modification of the software's internal instructions and redistributions of the software

29

firmware

a software that is embedded in a piece of hardware (programmed into special memory contained in the hardware itself)

30

hardware

smartphone, router, motherboard, processor, flash drive

31

software

operating system, adobe, Excel, apps on phones