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MCQs

Total Questions : 457 | Page 19 of 46 pages
Question 181. A _____ TTL device can sink up to 16mA and can source up to 400 MA.
  1.    Low-power
  2.    high-power
  3.    Standard
  4.    Schottky
  5.    None of the above
 Discuss Question
Answer: Option C. -> Standard
Question 182. Digital design often starts by constructing a _____ table.
  1.    Standard
  2.    Two-stage
  3.    Truth
  4.    Two-dinensional
  5.    None of the above
 Discuss Question
Answer: Option C. -> Truth
Question 183. The hexadecimal digits are 0 to 9 and A to _____
  1.    E
  2.    F
  3.    G
  4.    D
  5.    None of the above
 Discuss Question
Answer: Option B. -> F
Question 184. The ASCII
  1.    is a subset of 8-bit EBCDIC
  2.    is used only in Western Countries
  3.    is version II of the ASC Standard
  4.    has 128 characters, including 32 control characters
  5.    None of the above
 Discuss Question
Answer: Option D. -> has 128 characters, including 32 control characters
Question 185. An OR gate has 6 inputs. What is the only input word that produces a 0 output?
  1.    0
  2.    111
  3.    111000
  4.    111111
  5.    None of the above
 Discuss Question
Answer: Option A. -> 0
Question 186. A diagram that illustrates the ore (Logic) of functions in a progran called a
  1.    Flowchart
  2.    Sequence of steps
  3.    Direction of flow
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> Flowchart
Question 187. The Gray code for decimal 7 is
  1.    111
  2.    1011
  3.    100
  4.    101
  5.    None of the above
 Discuss Question
Answer: Option C. -> 100
Question 188. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as
  1.    rise time
  2.    decay time
  3.    binary level transition period
  4.    propagation delay
  5.    None of the above
 Discuss Question
Answer: Option B. -> decay time
Question 189. Conversion of binary number 1010000101112 to hexadecimal number is
  1.    D8F916
  2.    A8B916
  3.    A1716
  4.    D9F816
  5.    None of the above
 Discuss Question
Answer: Option C. -> A1716
Question 190. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.
  1.    NMOS, PMOS
  2.    PMOS, CMOS
  3.    NMOS, CMOS
  4.    MOSFET, PMOS
  5.    None of the above
 Discuss Question
Answer: Option C. -> NMOS, CMOS

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