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Q. What is Capacitor-Based Keyboards?
These keyboards are based on the idea of Capacitance. A simple capacitor comprises a pair of conductive plates having opposite charges and separated by an insulator. This arrangement produces a field between plates proportional to closeness of plates. Changing the distance between plates roots current to flow. Capacitive keyboards have etched circuit boards with tin and nickel-plated copper pads performing as capacitors under every key (a key is technically known as a station). Every key press presses a small metal-plastic circle down causing electric flow. These keyboards work well however have the drawback that they follow an indirect scheme though they have a longer life than contact-based keyboards. These keyboards were initiated by IBM.
Write short note on the Johnson counter. Ans: Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the
The main reason to encrypt a file is to ? Ans. The main purpose to encrypt a file is to secure that for transmission.
If quicksort is so quick, why bother with anything else? If bubble sort is so bad, why even mention it? For that matter, why are there so many sorting algorithms?
An experts system has knowledge that lets it reason about its own operations plus a structure that simplifies this reasoning process. For example if an expert system
Q. Explain about Micro-instruction Formats? Now let's focus on format of a micro-instruction. The two widely used formats employed for micro-instructions are vertical and horiz
why they are essential in a bus oriented system? Ans) In a multiplexed bus system, many devices are linked to a common bus. If 2 or more devices attempt to use the bus at the si
What is the Gray equivalent of (25) 10 Ans. Gray equivalent of (25) 10 : The Decimal number 25 has binary equivalent as (00100101) 2 The left most bits (MSB) into gray
The do while Loop This is very similar to the while loop except that the test occurs at the end of the loop body. This guarantees that the loop is executed at least once before
Explain the two fundamental models of inter process communication. Two kinds of message passing system are given as: (a) Direct Communication : Along with direct communicat
Q. How many instructions in a Computer? A computer can have a vast number of instructions and addressing modes. Older computers with the growth of Integrated circuit technolog
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