What is a computer?
An electronic device that processes data into useful information controlled by programmed instructions.
Computer categories—digital vs analog
Digital: discrete values; Analog: continuous spectrum.
How do digital computers represent and process information?
They represent information numerically as distinct values and process each unit in strict sequences.
Personal computer type
Designed for use by a single person.
What are the six primary types of computers for individual users?
Desktop, workstation, notebook, tablet, handheld, and smart phone.
Notebook weight limit
Less than eight pounds.
What is a personal computer (PC)?
A computer system designed for use by a single person, also called a microcomputer.
Workstation purpose
For advanced, specialized tasks by scientists, engineers.
Tablet input methods
Stylus, voice, or fold-out keyboard.
Input device for continuous data
Analog computers.
Key feature of microcomputers
Folds closed with portability.
Test your knowledge with 11 questions on Computer Input Devices.
1. What is the primary function of a computer?
2. What is the primary function of a computer as defined in the course material?
Review the complete course in the study sheet for Computer Input Devices.
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