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Q. What is Memory Address Register?
Memory Address Register (MAR): It specifies address of memory location from that data or instruction is to be accessed (read operation) or to which the data is to be stored (write operation).
Use a timer interrupt to design a easy digital clock. This clock will count only minutes and seconds, and start at 00:00 every time your program starts. The show on the screen sh
I think yes...so if 8259 gives interrupt then it will be serviced instantly but since into pin is left hanging the insr bit will never be set...and so whenever any interrupt occurs
Q. Define Digital computers system? Digital computers, in general, are automatic machines that accept data and instructions, perform predefined operations very quickly on the d
Please explain the construction and working of calomel electrode..
Q. Illustrate Decimal Fixed Point Representation? The point of this representation is to keep the number in decimal equivalent form and not binary as above. A decimal digit is
Which interface controls what is shown on the p.c.? Presentation Interface controls what is shown on the p.c
Define CPU scheduling. CPU scheduling is the method of switching the CPU among various processes. CPU scheduling is the basis of multiprogrammed operating systems. By switching
How many lines of address bus must be used to access 2048 bytes of memory when available RAM chips 128 × 8. How many lines of these will be common to each chip? Ans. AS chips
Discuss the 5-level switching hierarchy recommended by CCITT. Hierarchical networks are able of handling heavy traffic where needed, and at similar time use minimal number of t
Explain Sequential logic circuit Ans. Sequential logic circuit:- (i) Output not only depends upon the recent state of the input but also depend upon the earlier state
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