System software Flashcards

1
Q

Application software

A

A software that has been developed to solve a specific problem for users

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2
Q

System software

A

Runs at the most basic level of your computer. helps the computer manage

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3
Q

operating system

A

is the principal component of a computers system software

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4
Q

The OS manages

A
-  Booting
• CPU management
• File management
• Task management
• Security management
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5
Q

Operating system

A

low-level, master system of

programs that manage the basic operations of the computer.

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6
Q

Booting involves four steps

A
  1. Turn the computer on.
  2. Diagnostic routines test main memory, CPU, and other hardware.
  3. Basic Input/Output System (BIOS) programs are copied to main memory.
    • BIOS contains instructions for operating the hardware.
    • The computer needs those instructions to operate the hardware and find a
    copy of the OS.
  4. Boot program obtains the OS and loads it into computer’s main memory.
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7
Q

Cold boot

A

turn on computers on system

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8
Q

warm boot

A

restart a computer thats already on

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9
Q

boot disk

A

use a CD or flash drive to boot OS

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10
Q

Memory Management

A

OS keeps track of memory locations to prevent programs and data from
overlapping each other

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11
Q

CPU Management: Queues

A

First-in, first-out (FIFO) sequence of data or programs that waits
in line for its turn to be processed

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12
Q

CPU Management: buffers

A

The place where the data or programs sit while they are waiting

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13
Q

A file is either a

A

a data file

or a system file

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14
Q

Task management: a task

A

an operation such as storing, printing or calculating

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15
Q

Multitasking

A

handling more than one program at one time

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16
Q

Security management

A

operating system controls access to computer

17
Q

Device drivers

A

Come with software in physical form. CD

18
Q

Utilities

A

Service programs that perform tasks related to the control and allocation of
computer resources.
Ex, Backup, virus protection, data recovery, data compression,

19
Q

user interface

A

the medium of communication with the computer

20
Q

graphical user interface (GUI)

A

Three main features of GUI are

desktop, icons, and menus.

21
Q

rollover

A

a pop up window that explains something when your mouse is over it

22
Q

desktop

A

systems main interface screen

23
Q

icons

A

small pictoral figures that represent programs data files

24
Q

menus

A

list of options to choose from. Pull up window goes up or down. cascading windows pops out

25
Q

Most operating systems use GUIs with the following:

A
title bar, 
menu bar, 
task bar,
tool bar 
windows
26
Q

common operating systems

A

stand alone,
network,
embedded,

27
Q

Stand alone operating systems

A

Mac platforms—run Apple Macintosh

• PC platforms—run Microsoft Windows

28
Q

network operating systems

A
novells open enterprise server
unix 
windows
solaris
 BSD
Linux (open sourced free)
29
Q

Embedded operating system

A

Resides on CPU chip. Used in mobile devices