41. Which of the following is/are not the general attributes of horizontal micro-instructions?
1. Short formats
2. Ability to express a high degree of parallelism
3. Little encoding of the control information
1. Short formats
2. Ability to express a high degree of parallelism
3. Little encoding of the control information
(a) 1 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
Answer: (a)
42. If each address space represents one byte of storage space, how many address lines are needed to access RAM chips arranged in an 4×6 array, where each chip is 8𝑘×4 bits?
(a) 14
(b) 15
(c) 16
(d) 17
(a) 14
(b) 15
(c) 16
(d) 17
Answer: (d)
43. A 3 bit 𝑅/2𝑅, 𝐷 has a reference of 5 𝑉 . If the values of 𝑅 and the binary input are 15 𝑘Ω and 110 𝑉 respctively what is the output voltage?
(a) 0.375 𝑉
(b) 3.75 𝑉
(c) 4.25 𝑉
(d) 4.28 𝑉
(a) 0.375 𝑉
(b) 3.75 𝑉
(c) 4.25 𝑉
(d) 4.28 𝑉
Answer: (b)
44. A 8086 microprocessor is interfaced to 8253 programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by
Answer: (b)
45. When installing a SCSI CD - ROM drive, one must set the adapter to:
(a) B0007
(b) Unused SCSI address
(c) Same address as the SCSI device
(d) SCSI identify as 1
(a) B0007
(b) Unused SCSI address
(c) Same address as the SCSI device
(d) SCSI identify as 1
Answer: (b)
46. Which Novell NetWare Utility Program allows one to recover deleted files from network drives only?
(a) Map
(b) Salvage
(c) Filter
(d) Capture
(a) Map
(b) Salvage
(c) Filter
(d) Capture
Answer: (b)
47. What type of problem can be caused by the electromagnetic field of speakers?
(a) Distortion of video display
(b) RAM errors
(c) Computer shut down
(d) Read / write problem on magnetic disks and tapes
(a) Distortion of video display
(b) RAM errors
(c) Computer shut down
(d) Read / write problem on magnetic disks and tapes
Answer: (d)
48. In a 100 % modulated AM signal with carrier power 100 𝑊, the power in the upper sideband is:
(a) 75 𝑊
(b) 66 𝑊
(c) 50 𝑊
(d) 25 𝑊
(a) 75 𝑊
(b) 66 𝑊
(c) 50 𝑊
(d) 25 𝑊
Answer: (d)
49.
(a) 0.5
(b) 1
(c) 2
(d) 4
(b) 1
(c) 2
(d) 4
Answer: (b)
50. The minimum length of antenna for efficient transmission of signals of wavelength 𝜆 required is
(a) 𝜆/2
(b) 𝜆/3
(c) 𝜆/4
(d) 𝜆/5
(a) 𝜆/2
(b) 𝜆/3
(c) 𝜆/4
(d) 𝜆/5
Answer: (c)
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