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MCQs

Total Questions : 25 | Page 1 of 3 pages
Question 1.  When 1100010 is divided by 0101, what will be the decimal remainder?
  1.    2
  2.    3
  3.    4
  4.    6
 Discuss Question
Answer: Option B. -> 3
Question 2.  How many basic binary subtraction operations are possible?
  1.    4
  2.    3
  3.    2
  4.    1
 Discuss Question
Answer: Option D. -> 1
Question 3.  The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:
  1.    increase ripple delay
  2.    add a 1 to complemented inputs
  3.    reduce propagation delay
  4.    determine sign and magnitude
 Discuss Question
Answer: Option C. -> reduce propagation delay
Question 4.  How many basic binary subtraction combinations are possible?
  1.    4
  2.    3
  3.    2
  4.    1
 Discuss Question
Answer: Option A. -> 4
Question 5.  What are the two types of basic adder circuits?
  1.    half adder and full adder
  2.    half adder and parallel adder
  3.    asynchronous and synchronous
  4.    one's complement and two's complement
 Discuss Question
Answer: Option A. -> half adder and full adder
Question 6.  Adding the two's complement of –11 + (–2) will yield which two's complement answer?
  1.    1110 1101
  2.    1111 1001
  3.    1111 0011
  4.    1110 1001
 Discuss Question
Answer: Option C. -> 1111 0011
Question 7.  The two's complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.
  1.    –14 and –13; –27
  2.    –113 and –114; 227
  3.    –27 and –13; 40
  4.    –11 and –16; –27
 Discuss Question
Answer: Option A. -> –14 and –13; –27
Question 8.  Use the two's complement system to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.
  1.    –14 and –13; –27
  2.    –113 and –114; 227
  3.    –27 and –13; 40
  4.    –11 and –16; –27
 Discuss Question
Answer: Option A. -> –14 and –13; –27
Question 9. . Binary subtraction of a decimal 15 from 43 will utilize which two's complement?
  1.    101011
  2.    110000
  3.    011100
  4.    110001
 Discuss Question
Answer: Option D. -> 110001
Question 10. .  Adding in binary, the decimal values 26 + 27 will produce a sum of:
  1.    111010
  2.    110110
  3.    110101
  4.    101011
 Discuss Question
Answer: Option C. -> 110101

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