SRM University 2007 B.Tech Information Technology IT100 -DIGITAL ELECTRONICS - Question Paper
Wednesday, 30 January 2013 09:10Web
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36) Give the counter applications?
PART-B
1) discuss the operation, timing diagram characteristic formula of a S-R flipflop?
2) discuss the operation, timing diagram characteristic formula of a T-flipflop?
3) discuss the operation, timing diagram characteristic formula of a clocked T-flipflop?
4) discuss the operation, timing diagram characteristic formula of a J-K flipflop?
5) discuss the operation, timing diagram characteristic formula of a D-flipflop?
6) Explain n the operation, timing diagram characteristic formula of a clocked J-Flip-flop?
7) discuss the design of a Binary counter?
8) discuss the counter design using S-R flipflop?
9) discuss the counter design using J-K flipflop?
10) discuss the counter design using D- flipflop?
11) discuss the design of code converter BCD to excess-3 code using fliflop?
12) Explain elaborately the design of a Right shift register.
13) Elaborately discuss the design of a binary counter?
14) Elaborately discuss the clocked flip-flops with clear and preset inputs?
15) Elaborately discuss about the Master –Slave flipflop?
16) Explain the conversion of S-R flipflop to D flipflop?
17) Explain the conversion of S-R flipflop to T –flipflop?
18) Explain the conversion of JK flipflop to T flipflop?
19) Explain the working of a 4-bit shift register (serial –in –parallel out) Ring counter with a timing diagram?
20) Design a counter with the subsequent repeated binary sequence 0,1,2,3,4,5,6 using JK Flip flop.
21) Design a counter with the subsequent repeated binary sequence 0, 1,2,4,6 using D Flip flop.
22) Design a counter with the subsequent repeated binary sequence 000,001,011,101,111 using T Flip flop.
23) Design a synchronous counter using JK FF To count the subsequent sequence 7,4,3.
24) Design a 3bit counter which counts in the sequence 001,011,010,110,111,101,001 using JK FF.
25) Design a counter with DFF to count the subsequent sequence 0, 1,2,4,0.
UNIT V
PART-A
1) Define Microprocessor?
2) Define Microcontroller?
3) List out the task of a microprocessor?
4) Define a microcomputer?
5) What is an assembly language programming?
6) What do you mean by mnemonics
7) State the difference ranging from microprocessor and a microcontroller?
8) Define bit, byte word and instruction?
9) State the features of 8085 µp?
10) List the different instruction of 8085µp
11) What do you mean by opcode?
12) State the direct addressing modes of 8085µp?
13) List the different branch control instruction?
14) What is advantage of multiplexing data and address bus in a microprocessor?
15) How many register pair are allowed in 8085µp in order to move a 16- bit number?
16) What is the use of DAA instruction?
17) What is the use of an instruction register?
18) Give an example of a 3-byte instruction?
19) What is the use of EI instruction?
20) How many address lines are requires to access 4K bytes of RAM?
21) State the different special purpose register?
22) List the different register used in 8085µp?
23) List the different interrupts of 8085µp?
24) What do you mean by instruction pointer?
25) What is a register pair?
26) What is the advantage of ALP?
27) List the logical instruction set of 8085µp?
28) Write an ALP program to add two nos?
29) Give the main memory capacity and word length of 8085 CPU .Mention how the above factors are determined for any provided CPU?
30) What is an instruction register?
31) What is flag and PSW?
32) Define the different flags of an flag register?
33) What is the function of an accumulator?
34) Specify the 4 control signals commonly used by 8085µp?
35) Why is data bus bidirectional?
36) How much memory location can be addressed by a microprocessor with 14 address lines?
37) What is the function of an ALE signal?
38) What is an instruction cycle?
PART-B
1) Elaborately discuss the detail architecture of 8085µp?
2) Explain the different instruction sets of 8085µp?
3) Explain detail about the features of 8085µp?
4) Explain the different addressing modes of 8085µp with an example?
5) Explain the features of microcomputer system?
6) Draw the architectural diagram of a microprocessor and discuss the functions of the different blocks?
7) How do you classify the instruction set of 8085? select any 2 instructions from every group and discuss them.
8) Explain elaborately the different interrupts of 8085µp?
9) Write an ALP TO PERFORM BCD addition and subtraction
10) Explain the RAL, RAR, RRC, and RLC with example?
11) What are flags? elaborate the various flags available with 8085µp? discuss the significance of every with an example?
12) Explain the special role played by the Accumulator register?
13) Explain the different kinds of instruction
a) Stack b)I/O c)machine control instructions
14) Explain the different instruction formats of 8085µp with suitable example?
15) a)What is a stack and a stack pointer? discuss how the structure of a stack is useful in executing subprogram?
16) b) discuss the role of the program counter?
17) Write an ALP to multiply to integers?
18) Write an ALP to obtain the largest among an array of numbers stored in memory location 4102 H .The length of the array is in location 4101H.Store the largest number in location 4100H?
| Earning: Approval pending. |
