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A sequence x(n) with the ztransform X(z) = z^{3} + 2z^{2}  3z + z^{1}  4z^{3} is applied as an input to a linear, timeinvariant system with the impulse response h(n) = 28(n  2) where
The output at n = 2 is__________________________________
The Laplace transform of the waveform shown in the figure below is
Then what is the value of 'C'?
Fourier transform of the signal shown in figure below is,
Answer Questions (22 and 23):
A DTS described by H(z) = when
excited by x[n] = cos(0.2 n + 10°) with discrete frequency Ω = 0.2.
Q. Find H(e^{jΩ}) at Ω = 0.2 and is equals to
Answer Questions (22 and 23):
A DTS described by H(z) = when
excited by x[n] = cos(0.2 n + 10°) with discrete frequency Ω = 0.2.
Q. The steady state response y[n] is given by
Fourier analysis of waveform shown in figure
Q. The waveform is
Fourier analysis of waveform shown in figure
Q. In the waveform shown
1.
2.
3.
4.
5.
Causal sequence f(n) if F(z) =
, is given by
A signal x_{1}(t) is having Fourier transform
X_{i}(co). Another signal x_{2}(t) having Fourier transform X_{2}(w) is related to X_{i}(co) by X_{2}(w) = [1 +sg n(w)]X_{i} (co)
Value of x_{2}(t) in terms of x_{1}(t) will be
After some arithmetic operation flag register of 8085 microprocessor becomes BBH. The contents of the accumulator after the operation may be
The contents of register HL pair is 24FF H. Then the contents of register pair if, 1NR H and INR L operations are performed is
If the HLT instruction of a 8085 microprocessor is executed then,
Line : MVI A, B5H
MVI B, OEH
XRI 69H
ADD
ANI 9BH
CPI 9FH
STA 3010 H
HLT
After execution of STA 3010H the status of Cy and Z flag will be
Three memory chips are of size 1 kB, 2 kB and 4 kB. Their address bus is 10 bits. The data bus sizes of chips are respectively
An 8085 assembly language program is given below:
MV1C, 03H
LXI H, 2000 H
MOV A, M
DCR
LOOP 1 : INX H
MOV B, M CMP B
JNC LOOP 2 MOV A, B
LOOP 2 : DCR C
JNZ LOOP 1 STA 2100 H HLT
Contents of memory location 2000: 18 H
2001 : 10H
2002 : 2BH
Q At the end of the program what will be the condition of carry and zero flags?
An 8085 assembly language program is given below:
MV1C, 03H
LXI H, 2000 H
MOV A, M
DCR
LOOP 1 : INX H
MOV B, M CMP B
JNC LOOP 2 MOV A, B
LOOP 2 : DCR C
JNZ LOOP 1 STA 2100 H HLT
Contents of memory location 2000: 18 H
2001 : 10H
2002 : 2BH
Q What does the program do?
Consider the given instructions of program for the delay register.
MVI C, FFH
LOOP: DCR C
JNZ LOOP
Assume clock frequency of the system is 2 MHz.
Q. The total Tstates for this above programme is given by
24 docs263 tests

Test: Electromagnetics  1 Test  15 ques 
Test: Electromagnetics  2 Test  20 ques 
Test: Measurement Test  25 ques 
Test: Electronic Devices  1 Test  15 ques 
Test: Electronic Devices  2 Test  20 ques 
24 docs263 tests

Test: Electromagnetics  1 Test  15 ques 
Test: Electromagnetics  2 Test  20 ques 
Test: Measurement Test  25 ques 
Test: Electronic Devices  1 Test  15 ques 
Test: Electronic Devices  2 Test  20 ques 