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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.
Q. Explain Frequency-division multiplexing? Frequency-division multiplexing (FDM) is a technique for data transmission widely used in telephone, radio, and cable TV systems in
The success of a system relies on the approach of building it. If development approach is right then system will work successfully. Figure below portrays a System Development Life
A desirable choice for the partitioning element in quick sort is First element of the list.
What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
Design a 4 to 1 Multiplexer by using the three variable function given by F(A, B, C) = ∑ m(1,3,5,6) Ans. The given function F(A,B,C) = ∑ m(1,3,5,6) can be implemented along wit
what is boot blocks
An expert systems is software that contains a knowledge base of facts and relationships and has the ability to make inferences based on that knowledge base. An experts sys
client server or multithreaded client-server, where server will create pool of worker threads (say 5) to provide services to pool of clients (say 5 ).Server should be behaving as a
Q. What do you mean by instruction cycle? We have considered the instruction execution in previous section. Now let's consider more about different types of instruction executi
Define DMA. The transfer of data among a fast storage device such as magnetic disk and memory if often limited by the speed of the CPU. Removing the CPU from the path and letti
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