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Questions and Answers
How is a computer defined?
How is a computer defined?
- Analog device with limited processing abilities
- Electronic device operating under the control of instructions stored in its own memory (correct)
- Biological device with memory storage capabilities
- Mechanical device controlled by external commands
What is computer literacy?
What is computer literacy?
- Ability to repair computers
- Knowledge of computer programming languages
- Skill in using computer software
- Understanding of computers and their uses (correct)
What does an input device do?
What does an input device do?
- Processes data into information
- Stores data for future use
- Enters data and instructions (correct)
- Conveys information to a user
What is an output device?
What is an output device?
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What is the information processing cycle?
What is the information processing cycle?
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Study Notes
Defining a Computer
- A computer is defined as an electronic device that accepts input, processes data, stores data, and produces output.
Computer Literacy
- Computer literacy refers to the ability to effectively use computer systems and applications to access, evaluate, and communicate information.
Input Devices
- An input device is a peripheral device that allows users to enter data, instructions, or commands into a computer, such as keyboards, mice, scanners, and cameras.
Output Devices
- An output device is a peripheral device that presents the results of data processing, such as monitors, printers, speakers, and plotters.
The Information Processing Cycle
- The information processing cycle consists of four stages: input, processing, storage, and output.
- During the input stage, data is entered into the computer through input devices.
- In the processing stage, the computer executes instructions and performs calculations.
- In the storage stage, data and programs are stored in the computer's memory or storage devices.
- In the output stage, the computer produces the results of data processing through output devices.
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