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Question 1 What is modulation? Explain why is modulation required? 2 Briefly explain about ASK, FSK and PSK 3 Explain about the Nyquist Bandwidth and Nyquist Theorem 4
Explain about the two services that are used to deal with communication. Message Service: Used by the application servers to change short internal messages, all system commu
Differentiate between Transport and Session layers of OSI model. OSI Model Transport Layer The transport layer utilizes the services provided through the network layer, as
Q.Prove using Boolean Algebra 1. X (X+Y) = X 2. AB + AC + BC' = AC + BC' 3. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 4. (A+B'+C) (AB+A'C) = (A+C) (A'+B) 5. XY + XZ + YZ
What are the elements of Analysis model? i. Data Dictionary ii. Entity Relationship Diagram iii. Data Flow Diagram iv. State Transition Diagram v. Control Specifica
Page fault frequency in an operating system is reduced when the? When locality of reference is appropriate to the process so Page fault frequency in an operating system is redu
Explain the working of a demultiplexer with the help of an example. Ans: 1:4 Demultiplexer: Fig.(a) demonstrates the logic circuit of a 1:4 demultiplexer. This has two NOT
State about the Logic Micro-operations These operations are performed on binary data stored in register. For a logic micro-operation each bit of a register is treated as a diff
The integer n = 3,510,593 has hexadecimal representation 0x00359141 (check this with your d2h program), while the double precision, floating-point number 3510593.0 has hexadecimal
Associativity of Connectives : Here brackets are very important in order to tell us where to perform calculations in arithmetic and logic. By using these brackets we evaluate
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