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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.
An off-hook signal will repeat for a/an duration. For a/an finite duration, an off-hook signal will repeat.
Differentiate between adaptive and non-adaptive routing. Adaptive routing defines the ability of a system, by which routes are characterised through their destination, to cha
In this model a one process can have multiple, concurrent implementations paths. The major programs are scheduled to run by the native operating system. It loads and obtains all th
What is the significance of the screen number '0'? In "calling mode", the special screen number 0 (LEAVE TO SCREEN 0) causes the system to jump back to the last call level. Th
What is the basic requirement for establishing VLANs?
Erlang is used to (A) Measure busy period (B) Give total busy period in minutes (C) Measure average call rate (D) Indicate total call period Ans
Q. Explain working of D Flip -Flop? D (data) flip-flop is modification of RS flip-flop. Problem of undefined output in SR flip-flop when both R and S become 1 gets avoided in D
What are the different types of distributing frames used in exchanges? The various distribution frames used in exchange are demonstrated in figure. Every subscriber in a telep
Superscalar Processors In scalar processors, only one instruction is implemented per cycle. That means only single instruction is issued per cycle and only single instruction i
Q. What is Memory Interleaving? In this scheme main memory is splitted in 'n' equal-size modules and CPU has separate Memory Base register and Memory Address Register for every
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