{"id":109942,"date":"2021-02-24T10:21:55","date_gmt":"2021-02-24T04:51:55","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=109942"},"modified":"2024-04-12T14:30:48","modified_gmt":"2024-04-12T09:00:48","slug":"input-devices-2","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/input-devices-2\/","title":{"rendered":"Input Devices"},"content":{"rendered":"\n

Keyboard<\/strong> \u2013 It is like a typewriter keyboard with 101 keys arranged in 5 groups as<\/p>\n\n\n\n

Alphanumeric – A-Z, 0-9 plus some more characters.<\/p>\n\n\n\n

Modifier – Shift, Ctrl (control key), Alt (alternate key).<\/p>\n\n\n\n

Function – The function keys (F1, F2\u2026.F12) to give the special commands.<\/p>\n\n\n\n

Cursor movement – Arrow keys to the position of cursor on the screen.<\/p>\n\n\n\n

Special purpose\u2013 Used for specific function like esc, print screen, scroll lock & pause.<\/p>\n\n\n\n

Mouse<\/strong> – A pointing device used to position the pointer, to create graphics, for click and drag-and-drop. Ball or optical mouse is connected by PS\/2 port or USB port to computer.<\/p>\n\n\n\n

Scanners<\/strong> – It converts printed image to electronic by shining light and sensing the intensity of the reflection. It is of various types like<\/p>\n\n\n\n

Bar code reader \u2013 <\/strong>It is used for reading bar codes on products.<\/p>\n\n\n\n

Optical Character Recognition (OCR) – <\/strong>It translate image to text by OCR software.<\/p>\n\n\n\n

Optical Mark Reader (OMR) – <\/strong>It recognize marks by pencil or pen and used in answer sheets.<\/p>\n\n\n\n

Magnetic Ink Character Recognition (MICR) \u2013 <\/strong>It is used in banks to process cheques.<\/p>\n\n\n\n

Touch Screens, Voice Recognition Devices are also some other input devices.<\/p>\n","protected":false},"excerpt":{"rendered":"

Keyboard \u2013 It is like a typewriter keyboard with 101 keys arranged in 5 groups as Alphanumeric – A-Z, 0-9 plus some more characters. Modifier – Shift, Ctrl (control key), Alt (alternate key). Function – The function keys (F1, F2\u2026.F12) to give the special commands. Cursor movement – Arrow keys to the position of cursor…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-109942","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nInput Devices - Tutorial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/input-devices-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Input Devices - Tutorial\" \/>\n<meta property=\"og:description\" content=\"Keyboard \u2013 It is like a typewriter keyboard with 101 keys arranged in 5 groups as Alphanumeric – A-Z, 0-9 plus some more characters. 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