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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.
What is a semaphore? Semaphore: It is a synchronization tool which gives a general-purpose solution to controlling access to critical sections.
What are the main differences between OSI and TCP/ IP reference models? Explain briefly. We will be considering only on the key differences among the two references models. Th
The UNIX operating system for a multiprocessor system has a number of extra features as compared to normal UNIX operating system. Let's first consider the design objectives of mul
#how to write c program for all types of beam reactions
Preparation of writing the program 1. Write an algorithm for your program closer to assembly language. For instance the algorithm for preceding program will be: get NUM1
Register Transfer We assign computer registers by capital letters to denote function of the register. Such as, the register which holds an address for memory unit is usually
Minimize the logic function Y(A, B, C, D) = ∑m(0,1,2,3,5,7,8,9,11,14). Use Karnaugh map. Draw logic circuit for the simplified function. Ans: In following figure (a) shows the
Q. Pros and Cons of general purpose register architecture? General Purpose Register Architecture: Pros and Cons Registers can be employed to store variables as it decrea
What are the drill-down features provided by ABAP/4 in interactive lists? ABAP/4 gives some interactive events on lists such as AT LINE-SELECTION (double click) or AT USER-COM
Telnet It is a terminal emulation program for TCP/IP networks like as the Internet. The Telnet program runs on your computer and attaches your PC to a server on the network. On
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