 |  Computer Hardware 40 Flashcards |  Start |
 | What are the main categories of computer hardware? |  Card: 1 / 40 |
| Computer hardware consists of electronic, electrical, and mechanical devices that are physically tangible. | Card: 2 / 40 |
| Fill in the blank: A keyboard is used to input data into a computer in ___ or ___ form. | Card: 3 / 40 |
| Numeric or alphabetic | Card: 4 / 40 |
| True or False: The keyboard controller does not store the code of the pressed key. | Card: 5 / 40 |
| False. The keyboard controller stores the code of the pressed key in the keyboard buffer. | Card: 6 / 40 |
| What type of keys are labeled F1 to F12 on a keyboard? | Card: 7 / 40 |
| Function keys | Card: 8 / 40 |
| What distinguishes optical character recognition (OCR) from optical mark recognition (OMR)? | Card: 9 / 40 |
| OCR scans printed pages to convert them into editable text, while OMR identifies marked responses on paper. | Card: 10 / 40 |
| Riddle: I can help you input data through words and numbers, but I have no voice. What am I? | Card: 11 / 40 |
| A keyboard | Card: 12 / 40 |
| Fill in the blank: A pointing device communicates with the computer by pointing to a location on the ___. | Card: 13 / 40 |
| Monitor | Card: 14 / 40 |
| What is the primary function of a mouse? | Card: 15 / 40 |
| To enable the input of data and commands in graphical form by moving a pointer on a monitor. | Card: 16 / 40 |
| True or False: A trackball is a type of input device that provides less control than a mouse. | Card: 17 / 40 |
| False. A trackball provides similar or even greater control than a mouse in certain applications. | Card: 18 / 40 |
| What is the role of a scanner in computer hardware? | Card: 19 / 40 |
| A scanner changes images and documents into digital form for storage and editing. | Card: 20 / 40 |
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| Fill in the blank: The output device that creates hard copies of documents is called a ___. | Card: 21 / 40 |
| Printer | Card: 22 / 40 |
| What are the two main types of printers? | Card: 23 / 40 |
| Impact printers and non-impact printers. | Card: 24 / 40 |
| Riddle: I can show you the world on a screen, but I can’t touch it. What am I? | Card: 25 / 40 |
| A monitor | Card: 26 / 40 |
| What technology does a laser printer use to produce high-quality prints? | Card: 27 / 40 |
| A laser beam | Card: 28 / 40 |
| Fill in the blank: The resolution of a printer is measured in ___ and indicates print detail. | Card: 29 / 40 |
| Dots Per Inch (DPI) | Card: 30 / 40 |
| What is a plotter used for? | Card: 31 / 40 |
| To create large-scale drawings or images, often used in architectural or engineering designs. | Card: 32 / 40 |
| True or False: A webcam is primarily used for still photography. | Card: 33 / 40 |
| False. A webcam is used for video calls and online conversations. | Card: 34 / 40 |
| What is the function of a biometric sensor in computer systems? | Card: 35 / 40 |
| To recognize unique physical characteristics for security and attendance tracking. | Card: 36 / 40 |
| What distinguishes an LCD projector from a DLP projector? | Card: 37 / 40 |
| LCD projectors use liquid crystal displays, while DLP projectors use digital light processing technology. | Card: 38 / 40 |
| Riddle: I connect your computer to the outside world, making devices come alive. What am I? | Card: 39 / 40 |
| An input/output port | Card: 40 / 40 |
| Completed! Keep practicing to master all of them. |  Restart |
