Friday, September 10, 2010

DC IPMORANT QUES

1)PCM
2)DM, ADM (methods algorithms etc)
3)QPSK, 8PSK

DICA IMPORTANT QUESTIONS

1) design a transistor circuit of 2 input ECL NOR gate. explain operation with function table.
2)design a transistor circuit of 2 input TTL NAND gate and explain its operation with a function table.
3)design a transistor circuit of 2 input CMOS AND-OR-INVERTER gate. explain its operation with a function table.
4)explain with example the syntax and the function of the following VHDL statements.
a)component declaration and instantiation
b)conditional signal assignment statement
c)function definition
d)package structure
e)selective signal assignment statement
5)analyze the rise time and fall time of CMOS inverter output
6)VHDL program to implement the following SOP function f(a,b,c) = sigma(2,5,6,7)
7)explain the program structure of VHDL
8)explain the various data types supported by VHDL. give the necessary explaination.
9) explain the following terms with reference to CMOS gate.
a)voltage levels for logic1 and logic0
b)DC noise margin
c)high state fanm out
d)low state unit load
e)propogation delay
f)low state fan out
g)v1Hmin. V1Lmax, V0Hmin, VoLmax, IIH, IIL, IOLmax, IOHmin
10)design a transistor of 2 input CMOS NOR gate and explain the operation with the help of function table

CO IMPORTANT QUESTIONS

1)difference between RISC Vs SISC characteristics
2)various registers in a computer along with their purpose.
3)what are the functional units and explain the function of each element in a computer.
4)explain about bus structure.
5)explain the terms - compiler, linker, loader, assembler
6)how performance of a computer is measured. explain briefly the following
a)processor clock
b)pipelining and super scalar operation
c)clock rate
d)compiler
e)sisc and risc performance measurements
f)basic perform equation.
*7)list and explain different types of computer instructions.
8)explain how x=(a+b)/(a-b) is evaluated in a stack based computer.
9)difference between high level language and low level language
10)interconnection of processor and main memory
11)discuss about micro program control unit
12)what is pipe lining register and what is the use of it. explain in detail.
13)4 line common bus.

MEFA IMPORTANT QUESTIONS

1) define managerial economics. explain its nature and scope
2) explain how do you measure elasticity of demand. illustrate how do you interpret different types of elasticity of demand.
3) what do you understand by demand forecasting. explain different methods of demand forecasting.
4) explain the features of perfect competition.
5) the p/v ratio of matrix books limited is 40% and margin of safety is 30%. you are required to work out the BEP and net profit if the sales volume is 14,000.
6) write any two.
a) fixed cost and variable cost
b)marginal cost
c)opportunity cost.