chapter four Flashcards

1
Q

what is the most dominant platform/operating system?

A

Windows

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2
Q

who invented MS-DOS?

A

Bill Gates and Paul Allen in the 1980s
Microsoft
Gates kept the copyright

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3
Q

information technology is deeply embedded in business

A

business determines what happens in IT

having a superior product on the market is an expectation if it’s going to survive

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4
Q

who invented Mac OS?

A

Steve Jobs and Steve Wozniak

Apple

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5
Q

system software

A

load the operating system

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6
Q

operating system

A

a collection of computer programs that administer the hardware and software of a computer so that they work properly
groundwork for system software
run with little to no human interaction

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7
Q

what are the tasks of the operating system?

A

controlling/allocating memory, administration input and output, and managing the filing system

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8
Q

what are examples of operating systems?

A

Microsoft Windows, UNIX, Linux, and MacOS

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9
Q

application software

A

cannot run or be installed without an operating system

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10
Q

multitasking

A

(1990s) when a computer can run more than one process at a time

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11
Q

process

A

a job or task a computer performs

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12
Q

CPU (central processing unit) Cache

A

small, quick memory, stores copies of information and data from the most regularly used parts of main memory
helps to decrease the time it takes to access memory

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13
Q

RAM (random access memory)

A

primary storage
allows stored date to be accessed in any order without physical movement of the storage media
considered volatile memory

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14
Q

disk storage

A

non-volatile

secondary storages that is recorded to a physical device

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15
Q

file allocation table (FAT)

A

directs the read/write arm of the hard drive to where data exists and accesses it upon the user’s request

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16
Q

what is a drawback of FAT?

A

when data and information or files are deleted on the hard drive and new information is added, the disk ends up with fragments of information scattered all over

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17
Q

what is the solution to fragmented data?

A

defragmentation, a program recognizes the hard disk, moves data to the inside concentric tracks of a hard drive

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18
Q

file management

A

a way to store and organize a user’s work in computer files

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19
Q

hierarchy of directories (folders)

A

file managers

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20
Q

graphical user interface (GUI)

A

employed by a file manager to display and work with computer files

21
Q

file managers

A

can create, search, open, view, print, rename, copy, delete and more to files

22
Q

hierarchy/”tree”

A

how files are displayed, a way to rank and organize files

23
Q

graphical user interface (GUI)

A

employed by a file manager to display and work with computer files
allows the user to interact with a computer and the devices connected to it

24
Q

network

A

when a computer is connected to one or more computers

25
server
a centralized computer a single scanner/printer can be accessed by multiple computers all computer files reside within the server and are accessible by each individual computer
26
Transmission Control Protocol and Internet Protocol (TCP/IP)
a set of rules for transferring information from one computer to another
27
internet
the world's largest network and uses TCP/IP to transfer and receive files
28
operating system vs. network operating system
operating system: stand alone computer | network operating system: system software that controls an entire network of computers
29
operating system vs. network operating system
operating system: stand alone computer | network operating system: system software that controls an entire network of computers
30
device drivers/ "drivers"
computer programs that allow peripheral hardware devices like printers or scanners to interface and work properly with a computer system
31
plug and play
preloaded and configured drivers from manufactures of peripheral devices when a new device is detected, no driver installation is necessary
32
Universal Serial Bus (USB) ports
(1996) gained traction with Microsoft, now considered a standard, peripheral device consumers how consider USB as park of their purchasing criteria to ensure smooth operation and seamless integration and installation
33
icons
visual indicators
34
menus
launch programs, load documents, and performa many other requests form a user without requiring the user to issue programming commands
35
embedded operating systems
many devices and appliances that rely on computing
36
embedded computing
a computing system or device that performs a dedicated function highly modified, stripped down versions of larger operating systems that manufacturers produce for specific tasks
37
what are the advantages of Microsoft?
``` dominates market (90%) advantage in business applications ```
38
what are the advantages of MacOS?
far better graphics superior architecture ease of use 7% of the market
39
Microsoft Windows
proprietary GUI 1975 a family of various OS
40
what is the current version of windows?
windows 10
41
Mac OS
proprietary GUI 1984 first OS to be completely memory based
42
UNIX
``` proprietary OS 1960s and 70s Bell Labs developed over time by AT&T popular for large processing applications ```
43
Linux
non-proprietary | Linus Torvalds
44
open source software
software source code which is open to anyone who cares to access/modify it for their own use Linux
45
loss of standardization
potential outcome of open source software
46
diffusion
once a product or software is widely accepted
47
early adopter/technology leaders
first users
48
followers
a bit more cautious