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MIS > Appendix A: Hardware And software > Flashcards

Appendix A: Hardware And software Flashcards

1
Q

Hardware

A

Consists of the physical devices associated with a computer system

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2
Q

Software

A

The set of instructions that the hardware executes to carry out specific tasks

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3
Q

Computer

A

An electronic device operating under the control of instructions stored in its own memory that can accept, manipulate, and store data

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4
Q

Central processing unit (CPU or microprocessor)

A

The actual hardware that interprets and executes the program, (software) instructions and coordinates how all the other hardware devices work together

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5
Q

Control unit

A

Interprets software instructions and literally tells the other hardware device what to do, based on the software instructions

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6
Q

Arithmetic logic unit

A

Performs all arithmetic operations and all logic operations

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7
Q

What determines the speed of a CPU

A

number of CPU cycles per second

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8
Q

Megahertz

A

The number of millimeters of CPU cycles per second

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9
Q

Gigahertz

A

The number of billions of CPU cycles per second

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10
Q

Primary storage

A

The computers main memory, which consists of the RAM, cache memory, and ROM that is all directly accessible to the CPU

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11
Q

Secondary storage

A

Consists of equipment designed to store large volumes of data for long term storage

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12
Q

Megabytes

A

1 million bytes

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13
Q

Gigabyte

A

1 billion bytes

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14
Q

Terabyte

A

1 trillion byte

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15
Q

Input device

A

Equipment used to capture info and commands
Manual: joystick, keyboard, microphone
Automated: bar code scanner, digital camera, magnetic ink character reader

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16
Q

Output device

A

Equipment used to see, hear, or otherwise accept the results of info processing requests

  • cathode ray tube
  • liquid crystal display
  • laser printer
  • ink jet printer
  • plotter
17
Q

Communication device

A

Equipment used to send information and receive it from one location to another

  • dial up access
  • cable
  • digital subscriber line
  • wireless
  • satellite
18
Q

Computer categories

A 
PDA
Laptop
Tablet
Desktop
Work station
Minicomputer
Mainframe computer
Supercomputer
19
Q

System software

A

Controls how the various technology tools work together along with the application software

  • operating system
  • utility
  • application
20
Q

Types of utility software

A 
Crash proof
Disk image
Disk optimization
Encrypt data
File and data recovery
Text protect
Preventative security
Spyware
Uninstaller
21
Q

Types of application software

A 
Browser
Communication
Data management
Desktop publishing 
Email
Groupware
Presentation graphics
Programming 
Spreadsheet
Word processing
22
Q

Information technology (IT)

A

Any computer based tool that people use to work with info and support the info and info-processing needs of an organization

MIS (12 decks)

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