Introduction To Computers Flashcards
What is Information Processing Cycle?
Four basic operations which include storage, process, input, and output
What is a Computer?
An electronic device, operating under the control of instructions stored in its own memory that can accept data, process the data according to specified rules, produce results, and stores the results for later use.
What is Data?
A collection of unprocessed items, which can include text, numbers, audio, and video
What are Computer Users, End Users, and Users?
People who use the computer directly or use the information it provides
What is a Peripheral Device?
A device that connects to the system unit and is controlled by the processor in the computer
What is an Input Device?
Any hardware component that allows you to enter data and instructions into the computer
What is the Central Processing Unit?
Interprets and carries out the basic instructions that operate a computer
What is an Output Device?
A hardware component that conveys information to one or more people
What is a Display Device?
An output device that visually conveys text, graphics, and video information
What is Green Computing?
Involves reducing the environmental waste generated while using the computer
What is a Storage Device?
The computer hardware that records or retrieves items to and from storage media
What is a Software?
Also called a program, 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
What is Cloud Storage?
An Internet service that provides hard disk storage to computer users
Name four types of Input Device:
Mouse
Keyboard
CD
Bar codes
Name four types of Output Devices:
Printer
Speakers
Projectors
Monitor
Name three types of computers:
Laptop
PC
Tablet
What is the main function of a processor?
To carry out the basic operations that operate a computer
What is the main function of memory?
Keeps data and instructions temporarily
Name five display devices:
TV Smart phone Digital camera Computer Tablet
Name four types of storage devices:
Hard disks Memory stick Optical dick Hard drive Floppy disk
Name the two main types of computer software:
System software
Applications software
Describe system software
System software consists of programs that control the operations of the computer and it’s devices.
Describe applications software
Applications software consists of programs designed to make users more productive with their tasks and assist them with personal tasks.
