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computer apps > unit 1 lecture 4 > Flashcards

unit 1 lecture 4 Flashcards

1
Q

what are the 2 types of software?

A

application and system

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2
Q

what is application software

A

a program used to perform an application ( ex word processing, spreadsheet, database, presentations, etc) and allows the user to obtain the desired output. the application software is actually what the user sees on the screen and “uses” while working on the computer ( more examples are - word, excel, access, publisher, and PowerPoint

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3
Q

what is system software

A

programs that “work behind the scenes” to manage the fundamental operations of your computer, such as loading programs and data into memory, executing programs, saving data to storage devices, displaying information on the monitor and transmitting data through a port to a peripheral device

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4
Q

what are the 4 types of system software

A

operating system (OS)
utility software
device drivers
programming languages

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5
Q

what is the operating system

A

manages the system resources of a computer so programs run properly, the operating system manages input, output, processing and storage while always on the lookout for equipment failure

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6
Q

what is utility software

A

loaded into RAM as needed to do housekeeping tasks, known as utilities, they analyze, optimize, configure and maintain a computer. utilities include antivirus software, backup tools, and disk tools that allow you to analyze a hard drive or compress data to save space ( like a mudroom with equipment)

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7
Q

what are device drivers

A

handles the transmission protocol between a computer and its peripherals

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8
Q

what are programming languages

A

allow a programmer to write instructions (code) that a computer can understand

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9
Q

what is code

A

instructions for the computer

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10
Q

what does it mean to RUN

A

testing the program and debugging

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11
Q

what does debugging mean

A

finding and fixing problems in your algorithm or program

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12
Q

what is algorithm

A

a process or set of rules to be followed in calculations or other problem-solving operations

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13
Q

what is boot up

A

loading operating system programs that prepare the computer for use

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14
Q

what is a kernel

A

the heart of the operating system that controls its most critical processes.

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15
Q

what is multitasking

A

an operating system capability that allows a user to run more than one program concurrently.

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16
Q

what is user interface

A

a “bridge” between the user and the operating system; designed to make using the computer easier (allow users to choose from menus and makes computers more user friendly)

17
Q

what is a menu

A

a list of options on the screen

18
Q

what is malware

A

a broad term that describes any program designed to cause harm or transmit information without the permission of the computer owner ( can be harmful to hardware or information)

19
Q

what is a virus

A

a computer program that will “spread” by copying itself. Once the virus gets into the RAM of a computer, it can contaminate storage devices, e-mail, etc.

20
Q

what is spyware

A

software that secretly gathers information from your computer and then sends this data to the company or person that created it. (knows things about you and can use the info to hurt you)

21
Q

what is a firewall

A

“a locked door;” prevents other computers on the Internet from accessing your computer and prevents programs on it from accessing the Internet without your permission. (protects us from spyware etc)

22
Q

what is a suite

A

a collection of programs packaged together as a bundle and typically includes a word processor, spreadsheet program, graphics program, and more. ( group or collection of apps sold together, that share common commands and a common storage location

23
Q

what are things the operating system does

A
  • Works closely with RAM to make sure application software is running properly
    -Completes the boot up process, checks connections with the peripheral hardware; passes control to the user
  • Works the ENTIRE TIME the computer is turned on
    - Windows are examples of operating systems
24
Q

what does device drivers do

A

-Handles transmission protocol between the computer and peripheral devices( ex. Computer to print)
-Establishes that communication because it “ understands” the characteristics of both the computer and the peripheral devices. It serves as an INTERPRETER.

25
Q

what does utility software do

A

-Performs “ housekeeping task”; maintains the computer
-Loaded into RAM as needed; does not run continuously
-Task such as de-fragmentation, deleting and moving files, error- checking, disk cleanup, and virus scanning

26
Q

what do programming languages do

A

-Only type of system software that EVERYONE DOESN’T USE. it is used primarily by programmers
-Allows programmers to write instructions (code) that the computer understands
-Ex. C++, Java, Visual basic, etc…

27
Q

which of these ( operating system, utility software, device drivers and programming languages) works behind the scenes

A

(ALL) - operating system, utility software, device drivers and programming languages

28
Q

which of these ( operating system, utility software, device drivers and programming languages) is used by all users

A

operating system, utility software, device drivers

29
Q

which of these ( operating system, utility software, device drivers and programming languages) is involved in the bootup process

A

operating system

30
Q

which of these ( operating system, utility software, device drivers and programming languages) helps computer communicate with peripherals

A

device drivers

31
Q

which of these ( operating system, utility software, device drivers and programming languages) used to write code

A

programming languages

32
Q

which of these ( operating system, utility software, device drivers and programming languages) works the entire time the computer is on

A

operating system

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