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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.
Explain the different page replacement policies. Various page replacement algorithms are briefly explained below: 1. First-in, first-out FIFO page replacement algorith
aggregation in dbms?
State the Protected mode interrupt In protected mode, interrupts have exactly same assignments just like in real mode though the interrupt vector table is different. Instead
Convert ASCII code to its BCD equivalent. This can be achieved by simply replacing bits in upper four bits of byte by four zeros. For illustration the ASCII '1' is 32h = 0010B. By
The 68HC11 series is based on the Motorola 6800/1 programming instruction set and hence is a fairly simple 8 bit microprocessor. The internal structure of the 6800/1 is shown below
Artificial Neural Networks: However imagine now in this example as the inputs to our function were arrays of pixels and there actually taken from photographs of vehicles such
a) Write a program that figures out how long it will take to pay off a credit card by making payments of $10 every month. Take care to avoid infinite loops. (How would a bank preve
Q. Design issues of Multi-threaded processors? To accomplish the maximum processor utilization in a multithreaded architecture, the subsequent design issues should be addressed
Fixed Arithmetic pipelines We take the illustration of multiplication of fixed numbers. Two fixed point numerals are added by ALU (Arithmetic and logic unit) using shift and ad
Proof by Contradiction: Now for forward chaining and backward chaining both have drawbacks. But another approach is to think about proving theorems by contradiction. So we can
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