Text and numerical data are typically entered into a computer system through a___________________?
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Answer: A. Keyboard
Explanation
Text and numerical data are typically entered into a computer system through a keyboard. It features a standardized arrangement of character and number keys for data entry. Users press these physical keys to transmit alphanumeric characters directly to software. Keyboards evolved from traditional typewriter layouts with added functional control keys. Standard QWERTY layouts remain the most common configuration for English typing. Modern keyboards connect via USB cables or wireless Bluetooth radio signals.
Office workers use keyboards daily to type documents, emails, and spreadsheet figures. Programmers rely heavily on keyboards to write complex lines of software source code. Virtual keyboards on touchscreens serve a similar input function for mobile devices. Scanner is an optical input device used for digitizing physical paper documents. Printer is an output device that produces physical ink copies on paper sheets. None of these is incorrect because the keyboard is the standard text entry device.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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