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Q. Interfacing of keyboards?
The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standard. In place of multiple data and handshaking signals as in RS-232 the keyboard employs just two signals by which it manages a bi-directional interface with its own set of commands.
Employing its elaborate handshaking mechanism keyboard and PC transmit commands and data to each other. USB keyboards work in a different way by using USB coding and protocol.
What are the advantages of using XML over HTML? The root cause of the problem lies in HTML (Hyper Text Mark-up Language), the defacto standard for web publication. The main pr
Define memory cycle time? It is the time delay needed between the initiations of two successive memory operations. Eg. The time among two successive read operations.
Ask questiPower and EnergyQuestion 4Consider a processor that runs at 2.5 GHz and 1 Volt. When running a given CPU-bound program,the processor consumes 100 W, of which 20 W is leak
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Java uses layout managers to lay out components in a consistent manner across all windowing platforms. As Java's layout managers aren't tied to absolute sizing and positioning, the
Q. Give the difference between Register and Counter. Q. Give the difference between Flip-flop and Latch. Q. Draw a set of waveforms for following signal on out-put line.
Multiple valued logics: Multiple valued logics, where altered types of truth value such as "unknown" are may be allowed. These have some of the particular advantages of fuzzy
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
what inputcombinations may those hazard take place and how can they be eliminated? F1= AB'' + A''C + BC''D'' F2= AB + A''C''D + AB''D
Data phases: After the address phase (particularly, starting with the cycle that DEVSEL# goes low) comes a burst of one or more data phases. In all the cases, initiator drives
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