Introduction to Information Technology
Final Test Solved Correct.
Computer - Answer An electronic device, operating under the control of instructions stored in
its own memory, that can accept data (input), process the data according to specified rules,
produce information (output), and store the information for future use.
Software or Program - Answer consists of a series of related instructions, organized for a
common purpose, that tells the computer what tasks to perform and how to perform them
Types of personal computer - Answer -Laptops
-Tablets
-Dekstops
Data - Answer a collection of unprocessed items, which can include text, numbers, images,
audio, and video and still in input process
Information - Answer Processed data that conveys meaning and is useful to people and is in
output process
Components of Computer (IOSSC) - Answer -Input
-Output
-System Unit
-Storage Device
-Communication Device
Information Processing Cycle (IPOSC) - Answer -Input
-Processing
-Output
-Storage
-Communication
,-Touchpad
-Microphone
-Scanner
Output device - Answer Hardware component that conveys information to one or more
people
Examples of Output Device - Answer -Monitor
-Printers
-Speakers
-Headphones
System Unit - Answer Case that contains the electronic components of a computer that are
used to process data
Storage - Answer Holds data, instructions, and information for future use
Primary Storage Device - Answer RAM (Memory); stores data, information, and instruction
temporarily
Secondary Storage Device - Answer Hard disk; stores data, information, and instruction
permanently
Memory (RAM) - Answer consists of electronic components that store instruction waiting to
be executed and the data needed by those instruction
Examples of Storage Device - Answer -Hard disk
-Solid-State Drives (SSD)
-USB Flash Drives
-Memory Cards
-Optical Disc
-Cloud Storage
,World Wide Web (WWW) - Answer A global library of information available to anyone who
connected to the Internet
Consists of a worldwide collection of electronic documents
Internet - Answer -a worldwide collection of computer networks that connects millions of
businesses, government agencies, educational institutions, and individuals
-provides society variety of sources such as instant messaging, research information, and access
to global library of information
Categories of program and software - Answer -Operating systems
-Applications (APP)
Operating system - Answer A set of programs that coordinates all the activities among
computer or mobile device hardware.
Examples of Operating Systems - Answer Windows, Unix, Linux, Mac OS
Applications (APP) - Answer Consists of programs designed to make users more productive or
assist them with personal tasks
Examples of Applications - Answer Microsoft Office 365, Google Chrome, Firefox, File Manager
Installing Programs - Answer The process of setting up the program to work with a computer
or mobile device, printer, and other hardware
Communication device - Answer Enables a computer to send and receive data, instructions,
and information to and from one or more computers or mobile devices.
Examples of Communication Device - Answer Modem, router
Network - Answer a collection of computers and devices connected together, often wirelessly,
via communications devices and transmission media
Categories of commputers - Answer -Personal computer
, -Servers
-Mainframes
-Supercomputers
-Embedded computers
Personal computer - Answer A computer that can perform all of its input, processing, output,
and storage activities by itself and is usually intended to be used by one person
Mobile computer - Answer A personal computer you can carry from place to place
Mobile device - Answer Computing device small enough for a user to hold in his or her hand
Game console - Answer a mobile computing device designed for single-player or multiplayer
video games
Servers - Answer controls access to the hardware, software, and other resources on a
network, and also provides a centralised storage area for programs, data, and information
Mainframe - Answer A large, expensive computer that supports hundreds or thousands of
users simultaneously and executes many different programs at the same time
Supercomputers - Answer largest, fastest, most powerful computers, capable of storing and
processing tremendous volumes of data.
Embedded computer - Answer a special-purpose computer that functions as a component in a
larger product
Computer Applications in Society - Answer education, finance, government, health care,
science, publishing, travel, manufacturing
Technology users - Answer Home user, small office user, home office user, mobile user, power
user, enterprise user
Pentagon's Advanced Research Project Agency (ARPA), an agency of the US Department of
Final Test Solved Correct.
Computer - Answer An electronic device, operating under the control of instructions stored in
its own memory, that can accept data (input), process the data according to specified rules,
produce information (output), and store the information for future use.
Software or Program - Answer consists of a series of related instructions, organized for a
common purpose, that tells the computer what tasks to perform and how to perform them
Types of personal computer - Answer -Laptops
-Tablets
-Dekstops
Data - Answer a collection of unprocessed items, which can include text, numbers, images,
audio, and video and still in input process
Information - Answer Processed data that conveys meaning and is useful to people and is in
output process
Components of Computer (IOSSC) - Answer -Input
-Output
-System Unit
-Storage Device
-Communication Device
Information Processing Cycle (IPOSC) - Answer -Input
-Processing
-Output
-Storage
-Communication
,-Touchpad
-Microphone
-Scanner
Output device - Answer Hardware component that conveys information to one or more
people
Examples of Output Device - Answer -Monitor
-Printers
-Speakers
-Headphones
System Unit - Answer Case that contains the electronic components of a computer that are
used to process data
Storage - Answer Holds data, instructions, and information for future use
Primary Storage Device - Answer RAM (Memory); stores data, information, and instruction
temporarily
Secondary Storage Device - Answer Hard disk; stores data, information, and instruction
permanently
Memory (RAM) - Answer consists of electronic components that store instruction waiting to
be executed and the data needed by those instruction
Examples of Storage Device - Answer -Hard disk
-Solid-State Drives (SSD)
-USB Flash Drives
-Memory Cards
-Optical Disc
-Cloud Storage
,World Wide Web (WWW) - Answer A global library of information available to anyone who
connected to the Internet
Consists of a worldwide collection of electronic documents
Internet - Answer -a worldwide collection of computer networks that connects millions of
businesses, government agencies, educational institutions, and individuals
-provides society variety of sources such as instant messaging, research information, and access
to global library of information
Categories of program and software - Answer -Operating systems
-Applications (APP)
Operating system - Answer A set of programs that coordinates all the activities among
computer or mobile device hardware.
Examples of Operating Systems - Answer Windows, Unix, Linux, Mac OS
Applications (APP) - Answer Consists of programs designed to make users more productive or
assist them with personal tasks
Examples of Applications - Answer Microsoft Office 365, Google Chrome, Firefox, File Manager
Installing Programs - Answer The process of setting up the program to work with a computer
or mobile device, printer, and other hardware
Communication device - Answer Enables a computer to send and receive data, instructions,
and information to and from one or more computers or mobile devices.
Examples of Communication Device - Answer Modem, router
Network - Answer a collection of computers and devices connected together, often wirelessly,
via communications devices and transmission media
Categories of commputers - Answer -Personal computer
, -Servers
-Mainframes
-Supercomputers
-Embedded computers
Personal computer - Answer A computer that can perform all of its input, processing, output,
and storage activities by itself and is usually intended to be used by one person
Mobile computer - Answer A personal computer you can carry from place to place
Mobile device - Answer Computing device small enough for a user to hold in his or her hand
Game console - Answer a mobile computing device designed for single-player or multiplayer
video games
Servers - Answer controls access to the hardware, software, and other resources on a
network, and also provides a centralised storage area for programs, data, and information
Mainframe - Answer A large, expensive computer that supports hundreds or thousands of
users simultaneously and executes many different programs at the same time
Supercomputers - Answer largest, fastest, most powerful computers, capable of storing and
processing tremendous volumes of data.
Embedded computer - Answer a special-purpose computer that functions as a component in a
larger product
Computer Applications in Society - Answer education, finance, government, health care,
science, publishing, travel, manufacturing
Technology users - Answer Home user, small office user, home office user, mobile user, power
user, enterprise user
Pentagon's Advanced Research Project Agency (ARPA), an agency of the US Department of
