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Total Questions : 1029 | Page 102 of 103 pages
Question 1011. 7. Decimal 43 in Hexadecimal and BCD number system is respectively
  1.    B2,0100001I
  2.    2B4O100 0011
  3.    2B4O011 0100
  4.    B2,0100 0100
 Discuss Question
Answer: Option B. -> 2B4O100 0011
Question 1012. 8. The Boolean function f implemented in the rgure 7.28 using two input multiplexers is
  1.    ABC + AB
  2.    ABC+AT3
  3.    A + ABC
  4.    ABC+ A BC
 Discuss Question
Answer: Option A. -> ABC + AB
Question 1013. 6. It is desired to multiply the numbers OAH by OBH and store the result in the accumulator. The numbers are available in registers B and C respectively. A Part of the 8085 program for this purpose is given below :MVIA,00H,Loop;,LILT END,The sequence of instruction to the complete the program would be
  1.    JNZ LOOP, ADD B,-DCRC
  2.    ADD B,-JNZ LOOP, DCRC
  3.    DCR C,-JNZ LOOP, ADD B
  4.    ADD B,DCRC,JNZ LOOP
 Discuss Question
Answer: Option D. -> ADD B,DCRC,JNZ LOOP
Question 1014. 4. Consider the sequence of 8085 instructions given below. LXI H, 9258, MOV A, M, CMA, MOV M,A Which one of the following is performed by this sequence?
  1.    Contents of location 9258 are moved to the accumulator
  2.    Contents of location 9258 are compared with the contents of the accumulator
  3.    Contents of location 8529 are complemented and stored in location 8529
  4.    Contents of location 5 892 are complemented and stored in location 5892
 Discuss Question
Answer: Option A. -> Contents of location 9258 are moved to the accumulator
Question 1015. 0. Statement for Linked Answer Questions 81a and 81b :Consider an 8085 microprocessor system1 The following program starts at location 0100H. LXI SP, ()OFF ;LXI H, 0701;MVI A, 20H;51JB M The content of accumulator when the program counter reaches 0109H is
  1.    20H
  2.    02H
  3.    00H
  4.    FFH
 Discuss Question
Answer: Option A. -> 20H
Question 1016. 9. The present output Qn of an edge triggered JK flip-flop is logic 0. If J = I, then Q0+1
  1.    cannot be determined
  2.    will be logic 0
  3.    will be logic 1
  4.    will race around
 Discuss Question
Answer: Option C. -> will be logic 1
Question 1017. 2. The number of product terms in the minimized sum-of-product expression obtained through the following K-map is (where, "d" denotes don't care states)1 0 0-1;0 d 0-0;0 0 d-1;1 0 0-1
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option A. -> 2
Question 1018. 1. IL If in addition following code exists from 019H onwards,ORI 40 H;ADDM What will be the result in the accumulator after the last instruction is executed?
  1.    40H
  2.    20H
  3.    6011
  4.    42H
 Discuss Question
Answer: Option C. -> 6011
Question 1019. 4. Following is the segment of a 8085 assembly language program LXI SP, EFFFH CALL 3000 H;3000 H: LXI H,3CF4 H;PUSH PSW
  1.    output 7
  2.    output 5
  3.    output 2
  4.    output 0
 Discuss Question
Answer: Option B. -> output 5
Question 1020. 3. A new Binary Coded Pentary (BCP) number system is proposed in which every digit of a base-5 number is represented by tis corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system, the BCP code 100010011001 corresponds to the following number in base-5 system
  1.    423
  2.    1324
  3.    2201
  4.    4231
 Discuss Question
Answer: Option D. -> 4231

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