Computer Keyboard
550 - 590 Per
Dell Keyboard Black Color with Function key
Metal Keyboard with Trackball
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This Compact Format IP65 Static Vandal Proof Stainless Steel industrial Keyboard with full keyboard functionalities, with 38.0mm stainless steel trackball module for fast and accurate cursor position with extremely smooth operation without any noise, function keys F1, F2..F10, F11, F12 are on the top line for easy operation, numeric keypad (optional PINPAD with Encryption Electronics Controller supporting DES/TDES), industrial metal dome PCB with gold-on-gold key switch technology with short stroke 0.45mm with excellent tactile feeling for stable and accurate data input, stainless steel top plate with threaded bolts for top panel mounting solution. P68 dynamic trackball module with direct drain pipe is optional, no rust risk and anti-salt spray corrosion. Stainless steel fascia and key-tops guard wilful destruction, vandal-proof, against corrosion, weather-proof especially under extreme climatic conditions, water proof/dirt proof, operation under hostile environments. Waterproof execution according to IP65 protection from top panel, top stainless steel plate with flat keyboard surface for easy cleaning & threaded bolts for easy tightly mounting to enclosure or panel. An excellent tactile feel with short stroke switches and allow users to achieve stable and accurate data input, with firm tactile perception for comfortable operation APPLICATION: This Keyboard is mainly targeted for use for unsupervised or semi-supervised positions of varied access applications, internet terminals and information kiosks at universities, shopping malls, hotels, banks, airports, railway-stations and other public areas, ticket vending machines, gas stations, cash machines (ATMs/CDM), Internet public phones etc.
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membrane keyboard
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Our Membrane Keyboard features Inter-Device Sync, 1000 MHz Ultrapolling, Fixed wrist rest, etc. We are backed by modern transit facilities and thus while located in Uttar Pradesh(India), we are able to reach any destination easily. Supplying wide array of products, we successfully make deliveries within the dedicated time span.
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PTZ Camera Controller Keyboard
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Key Features:Controller for the Remote Control of CCTV Devices: Power, Pan / Tilt / Zoom Lens, AUX Controls Up To Maximum 255 CCTV Receivers Preset Control: 64 Positions Memory Set For Each Camera Built-In Requital Ability for Electricity Failure: Power, Auto, Pan, Preset Position Built-In Back Light for LCD Window 3-Axis Joystick Control to Pan / Tilt / Zoom Movement Can Be Connected With Up to 8 Sub-Keyboards
Texet Combo of Wired Keyboard and Mouse
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desktop keyboards,
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Specifications All types of deskop & laptop keyboards in usb and ps2 are available at attractive prices. Combo kit also available. In computing, a keyboard is a typewriter-style keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input device for computers. Despite the development of alternative input devices, such as the mouse, touchscreen, pen devices, character recognition and voice recognition, the keyboard remains the most commonly used and most versatile device used for direct (human) input into computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However, to produce some symbols requires pressing and holding several keys simultaneously or in sequence. While most keyboard keys produce letters, numbers or signs (characters), other keys or simultaneous key presses can produce actions or computer commands. In normal usage, the keyboard is used to type text and numbers into a word processor, text editor or other program. In a modern computer, the interpretation of key presses is generally left to the software. A computer keyboard distinguishes each physical key from every other and reports all key presses to the controlling software. Keyboards are also used for computer gaming, either with regular keyboards or by using keyboards with special gaming features, which can expedite frequently used keystroke combinations. A keyboard is also used to give commands to the operating system of a computer, such as Windows' Control-Alt-Delete combination, which brings up a task window or shuts down the machine. Keyboards are the only way to enter commands on a command-line interface. Keyboard types:- One factor determining the size of a keyboard is the presence of duplicate keys, such as a separate numeric keyboard, for convenience. Further the keyboard size depends on the extent to which a system is used where a single action is produced by a combination of subsequent or simultaneous keystrokes (with modifier keys, see below), or multiple pressing of a single key. A keyboard with few keys is called a keypad. See also text entry interface. Another factor determining the size of a keyboard is the size and spacing of the keys. Reduction is limited by the practical consideration that the keys must be large enough to be easily pressed by fingers. Alternatively a tool is used for pressing small keys. Standard Standard "full-travel" alphanumeric keyboards have keys that are on three-quarter inch centers (0.750 inches, 19.05 mm), and have a key travel of at least 0.150 inches (3.81 mm). Desktop computer keyboards, such as the 101-key US traditional keyboards or the 104-key Windows keyboards, include alphabetic characters, punctuation symbols, numbers and a variety of function keys. The internationally common 102/105 key keyboards have a smaller 'left shift' key and an additional key with some more symbols between that and the letter to its right (usually Z or Y). Also the 'enter' key is usually shaped differently. Computer keyboards are similar to electric-typewriter keyboards but contain additional keys. Standard USB keyboards can also be connected to some non-desktop devices. Laptop-size Keyboards on laptops and notebook computers usually have a shorter travel distance for the keystroke and a reduced set of keys. They may not have a numerical keypad, and the function keys may be placed in locations that differ from their placement on a standard, full-sized keyboard. Thumb-sized Smaller external keyboards have been introduced for devices without a built-in keyboard, such as PDAs, and smartphones. Small keyboards are also useful where there is a limited workspace. A chorded keyboard allows pressing several keys simultaneously. For example, the GKOS keyboard has been designed for small wireless devices. Other two-handed alternatives more akin to a game controller, such as the AlphaGrip, are also used as a way to input data and text. A thumb keyboard (thumbboard) is used in some personal digital assistants such as the Palm Treo and BlackBerry and some Ultra-Mobile PCs such as the OQO. Numeric keyboards contain only numbers, mathematical symbols for addition, subtraction, multiplication, and division, a decimal point, and several function keys. They are often used to facilitate data entry with smaller keyboards that do not have a numeric keypad, commonly those of laptop computers. These keys are collectively known as a numeric pad, numeric keys, or a numeric keypad, and it can consist of the following types of keys: arithmetic operators such as +, -, *, / numeric digits 0–9 cursor arrow keys navigation keys such as Home, End, PgUp, PgDown, etc. Num Lock button, used to enable or disable the numeric pad enter key.
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