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CSCI 1250 > Chapter 9 > Flashcards

Chapter 9 Flashcards

1
Q

operating system

A

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

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2
Q

operating system responsibilities

A 
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
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3
Q

platform

A

aka operating system bc platform supports the applications

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4
Q

kernel

A

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

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5
Q

cold booting a computer

A

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

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6
Q

warm booting a computer

A

restarting a computer while it remains powered on

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7
Q

sleep mode

A

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

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8
Q

hibernate mode

A

your computer or laptop will not use any battery power

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9
Q

user interface

A

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

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10
Q

graphical user interface

A

interact with menus and visual images

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11
Q

command-line interface

A

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

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12
Q

single-tasking operating system

A

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

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13
Q

multi-tasking operating system

A

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

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14
Q

foreground

A

the program you’re currently using- the active one

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15
Q

background

A

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

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16
Q

memory management

A

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

17
Q

virtual memory

A

a portion of a storage medium functioning as additional RAM

18
Q

plug and play

A

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

19
Q

performance monitor

A

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

20
Q

driver

A

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

21
Q

buffer

A

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

22
Q

spooling

A

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

23
Q

tools that come with an operating system

A 
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
Q

server operating systems

A

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

25
Q

network admin uses operating system to:

A

add/remove users, computers, and other devices

configure the network, install software and administer network security

26
Q

windows, OS X, UNIX, Linux are examples of

A

operating systems

27
Q

Linux

A

a popular, multitasking UNIX-based operating system

28
Q

open source software

A

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

29
Q

firmware

A

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

30
Q

hardware

A

smartphone, router, motherboard, processor, flash drive

31
Q

software

A

operating system, adobe, Excel, apps on phones

CSCI 1250 (4 decks)

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