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What are the methods for handling deadlocks?
The deadlock problem can be dealt with in one of the three ways:
a. Use a protocol to prevent or avoid deadlocks, make sure that the system will never enter a deadlock state.
b. Permit the system to enter the deadlock state, detect it and then recover.
c. Ignore the problem all together, and pretend that deadlocks never happen in the system.
A call processor in an exchange requires 120 ms to service a complete call. What is the BHCA rating for the processor? If the exchange is capable of carrying 700 Erlangs of traffic
Q. Basic working of Hard Disk Drive? This is one of the components of today's personal computer having a capacity of order of quite a lot of Giga Bytes and above. A magnetic di
What are conversion routines? Non-standard conversions from present format to sap internal format and vice-versa are executed with so known as conversion routines.
Q. Show Two Way Pipelined Timing? Figure below demonstrates a simple pipelining scheme in which F and E stages of two different instructions are performed concurrently. This sc
Explain Time Switching. Time Switches: The principle of a time switch is demonstrated in figure. This connects an incoming n channel PCM highway to an outgoing n channel PC
What is a decoder? Draw the logic circuit of a 3 line to 8 line decoder and explain its working. Ans. Decoder: it is a combinational logic circuit which converts Binary words
Write the truth table of NOR gate. Ans. The truth table for NOR gtae is shown below:
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If a table that is to be extended contains a long field, we cannot use append structures why? Long fields in a table must always be located in the last, as the last field of th
Define the Character Set of C Language? C uses the lower case letter a to z, the upper case letters A to Z, the digits 0 to 9 and certain characters as building blocks to form
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