Digital Principles And System Design Set 18

Computer Science Engineering (CSE)

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This set of Digital Principles and System Design Multiple Choice Questions & Answers (MCQs) focuses on Digital Principles And System Design Set 18

Q1 | The decimal number system represents the decimal number in the form of                          
  • hexadecimal
  • binary coded
  • octal
  • decimal
Answer: binary coded
Q2 | 29 input circuit will have total of                          
  • 32 entries
  • 128 entries
  • 256 entries
  • 512 entries
Answer: 512 entries
Q3 | BCD adder can be constructed with 3 IC packages each of                          
  • 2 bits
  • 3 bits
  • 4 bits
  • 5 bits
Answer: 4 bits
Q4 | The output sum of two decimal digits can be represented in                          
  • gray code
  • excess-3
  • bcd
  • hexadecimal
Answer: bcd
Q5 | The addition of two decimal digits in BCD can be done through                          
  • bcd adder
  • full adder
  • ripple carry adder
  • carry look ahead
Answer: bcd adder
Q6 | 3 bits full adder contains                          
  • 3 combinational inputs
  • 4 combinational inputs
  • 6 combinational inputs
  • 8 combinational inputs
Answer: 8 combinational inputs
Q7 | The simplified expression of full adder carry is
  • c = xy+xz+yz
  • c = xy+xz
  • c = xy+yz
  • c = x+y+z
Answer: c = xy+xz+yz
Q8 | Decimal digit in BCD can be represented by
  • 1 input line
  • 2 input lines
  • 3 input lines
  • 4 input lines
Answer: 4 input lines
Q9 | The number of logic gates and the way of their interconnections can be classified as                          
  • logical network
  • system network
  • circuit network
  • gate network
Answer: logical network
Q10 | The addition 1+1 gives 0 as a result.
  • true
  • false
Answer: true
Q11 | The result of 0*1 in binary is                          
  • 0
  • 1
  • invalid
  • 10
Answer: 0
Q12 | The multiplication of 110 * 111 is performed. What is a general term used for 111?
  • dividend
  • quotient
  • multiplicand
  • multiplier
Answer: multiplier
Q13 | What do you call the intermediate terms in binary multiplication?
  • multipliers
  • mid terms
  • partial products
  • multiplicands
Answer: partial products
Q14 | The result that is smaller than the smallest number obtained is referred to as                        
  • nan
  • underflow
  • smallest
  • mantissa
Answer: underflow
Q15 | The number of sign bits in a 32-bit IEEE format is
  • 1
  • 11
  • 9
  • 23
Answer: 1
Q16 | Express the decimal format of the signed binary number (101010)2 .
  • 10
  • 12
  • -12
  • -10
Answer: -10
Q17 | All the comparisons made by comparator is done using                          
  • 1 circuit
  • 2 circuits
  • 3 circuits
  • 4 circuits
Answer: 1 circuit
Q18 | One that is not the outcome of magnitude comparator is                          
  • a > b
  • a – b
  • a < b
  • a = b
Answer: a – b
Q19 | If two numbers are not equal then binary variable will be                          
  • 0
  • 1
  • a
  • b
Answer: 0
Q20 | How many inputs are required for a digital comparator?
  • 1
  • 2
  • 3
  • 4
Answer: 1
Q21 | In a comparator, if we get input as A>B then the output will be                          
  • 1
  • 0
  • a
  • b
Answer: 1
Q22 | Which one is a basic comparator?
  • xor
  • xnor
  • and
  • nand
Answer: xor
Q23 | Comparators are used in                          
  • memory
  • cpu
  • motherboard
  • hard drive
Answer: cpu
Q24 | A circuit that compares two numbers and determine their magnitude is called                          
  • height comparator
  • size comparator
  • comparator
  • magnitude comparator
Answer: magnitude comparator
Q25 | A procedure that specifies finite set of steps is called
  • algorithm
  • flow chart
  • chart
  • venn diagram
Answer: algorithm
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