Long Answer Questions:
1. What is a printer? What are its types?
2. Explain the three functions of a scanner.
3. How is a web camera useful to us?
4. Explain the working principle of recording and accessing data of a hard disk
5. What is meant by a flash drive? Why is it so popular?
Answers
1. A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both. The two most common types of printers are inkjet and laser printers. Inkjet printers are commonly used by consumers, while laser printers are a typical choice for businesses..
2.Scanner Function-
Original Type selection (color/black and white)
File format selection
Scan size setting.
3.The most popular use of webcamera is the establishment of video links, permitting computers to act as videophones or videoconference stations. Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.
4.When your computer stores data on its hard drive, it doesn't just throw magnetized nails into a box, all jumbled up together. The data is stored in a very orderly pattern on each platter. Bits of data are arranged in concentric, circular paths called tracks. Each track is broken up into smaller areas called sectors.
5.Almost all computers have a USB port, which means that the vast majority of the country is able to use a USB Flash Drive. The second reason that USB Flash Drives are so popular is that they have so many uses. Another use for a USB is to back up information.
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1) A printer is an output device that prints paper
documents. This includes text documents, images, or a combination of both. The two most common types of printers are inkjet and laser printers. Inkjet printers are commonly used by consumers, while laser printers are a typical choice for businesses.
2)A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. Scanners come in hand-held, feed-in, and flatbed types and for scanning black-and-white only, or color.
3)Uses. The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations. Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.
4)When your computer stores data on its hard drive, it doesn't just throw magnetized nails into a box, all jumbled up together. The data is stored in a very orderly pattern on each platter. Bits of data are arranged in concentric, circular paths called tracks. Each track is broken up into smaller areas called sectors.
5) Almost all computers have a USB port, which means that the vast majority of the country is able to use a USB Flash Drive. The second reason that USB Flash Drives are so popular is that they have so many uses. ... Another use for a USB is to back up information.
