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Explain about Flip-Flops
Flip-Flops are also called bistable multivibrator. A flip-flop is capable of storing 1 bit of binary data. It has two stable states- 'one' and 'zero'. The output stays low or high, to alter it, the circuit must be drived by an input called trigger. Unless the trigger arrives, the output voltage remains low or high indefinitely. Edge Triggered Flip-flops:- An edge triggered flip-flop responds only during the brief instant the clock switches from one voltage level to another. When the triggering happens on the positive going edge of the clock, it is known as positive-edge triggering. Sometimes, triggering on the negative edge is better suited to the application. This means the trailing edge of the clock activates the gates, permitting data to be recognized. This is called negative-edge triggering.
'LRU' page replacement policy is ? Ans. Least Recently Used.
Functionality first and then Security?
Sort the following list using selection sort technique, displaying each step. 20,12,25,6,10,15,13
Discuss the risks of having a single root user and how more limited management abilities can be given to others users on Linux/UNIX systems.uestion #Minimum 100 words accepted#
(a) Convert the following number to single precision IEEE 754 based on the procedure described in class and in the notes. Express the result in hexadecimal. Show all your work.
Q. What is Master slave kernel? Master slave kernel: In this model just one of processors is assigned as Master. The master is in charge for subsequent activities: i)
The result of adding hexadecimal number A6 to 3A is ? Ans. The result will be E0.
What is memory mapped I/O? When the I/O devices share the similar address space, the arrangement is known as memory mapped I/O.
Explain about IP Access. IP access on the network by: • Intranets onto Virtual IP Networks and • Extranets onto Virtual IP Networks.
E-brokerage. An e-brokerage is an investment house that permits you to buy and sell stocks and get investment information from its Web site.
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