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What is a digital multiplexer?
Ans:
Multiplexer: Data selector or MUX is a logic circuit selects binary information from one of several input and directs this to a single output line. Selection of the individual input line is controlled through a set of selection lines. Generally there are 2n input lines and respectively n selection lines.
What are semaphores? Semaphore : A semaphore is a synchronization tool which gives a general-purpose solution to controlling access to critical sections. It s an abstract data
The conflict between too hot and too cold or too slow and too fast can be resolved using don't care states. Don't care states are used when i) the state of the output is not
how mutex work
With the increasing use of more and higher level languages manufacturers had offered more powerful instructions to support them. It was claimed that a stronger instruction set will
Q. Types of messages? The messages can be of many types. A specific field of all messages may be reserved to signify message type. The message passing primitives are like thi
Q. Explain use of parallel sections construct? This illustration explains use of parallel sections construct. Three functions, fun1, fun2, and fun3, all can be executed simulta
tCAS is the number of clock cycles required to access a particular column of data in SDRAM. CAS latency is the column address strobe time, sometimes referred to as tCL.
What is common control switching system? Explain. Common Control Switching System: It is a functional block diagram of a common control switching system is demonstrated in figu
Q. Drawback of indirect addressing? • Drawback of this scheme is that it needs two memory references to fetch actual operand. First memory reference is to fetch the actual addr
Q. Explain about Double Error Detection bit? Let's presume now that two bit errors take place in data. Data received: So on -matching we conclude P3-D3 pair doesn't
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