51. | The complement of the function F = (A + B’)(C’ + D)(B’ + C) is: |
Discuss |
Answer: (a).A’B + CD’ + BC'
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52. | To put the 8085 microprocessor in the wait state |
Discuss |
Answer: (b).lower the READY input
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53. | Comparing the time T1 taken for a single instruction on a pipelined CPU with time T2 taken on a non pipelined but identical CPU, we can say that |
Discuss |
Answer: (b).T1 >= T2
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54. | The 8085 microprocessor responds to the presence of an interrupt |
Discuss |
Answer: (c).By checking the TRAP pin for 'high' status at the end of the execution of each instruction
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55. | The most appropriate matching for the following pairs X: Indirect addressing 1 : Loops Y: Immediate addressing 2 : Pointers Z: Auto decrement addressing 3: Constants is |
Discuss |
Answer: (c).X-2, Y-3, Z-1
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56. | The simultaneous equations on the Boolean variables x, y, z and w, have the following solution for x, y, z and w, respectively.
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Discuss |
Answer: (c).1 0 1 1
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57. | Which function does NOT implement the Karnaugh map given below?
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Discuss |
Answer: (d).d
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58. | The following arrangement of master-slave flip flops has the initial state of P, Q as 0, 1 (respectively). After three clock cycles the output state P, Q is (respectively),
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Discuss |
Answer: (a).1, 0
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59. | Consider the values A = 2.0 x 10^30, B =-2.0 x 10^30, C= 1.0, and the sequence X: = A + B Y: = A + C X: = X + C Y: = Y + B executed on a computer where floating-point numbers are represented with 32 bits. The values for X and Y will be |
Discuss |
Answer: (b).X = 1.0, Y = 0.0
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60. | A low memory can be connected to 8085 by using |
Discuss |
Answer: (d).READY
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