Question 1

The decimal number system represents the decimal number in the form of______________        
A)hexadecimal
B)binary coded
C)octal
D)decimal

Accepted Answer

B

Question 2

29 input circuit will have total of______________        
A)32 entries
B)128 entries
C)256 entries
D)512 entries

Accepted Answer

D

Question 3

BCD adder can be constructed with 3 IC packages each of______________        
A)2 bits
B)3 bits
C)4 bits
D)5 bits

Accepted Answer

A BCD (Binary Coded Decimal) adder can be constructed with 3 IC packages, each capable of handling 4 bits, to properly add two BCD numbers and account for decimal carry.

Question 4

The output sum of two decimal digits can be represented in______________        
A)gray code
B)excess-3
C)bcd
D)hexadecimal

Accepted Answer

BCD (Binary Coded Decimal) is a decimal encoding system where each decimal digit is represented by a 4-bit binary number. The output sum of two decimal digits can be represented in BCD.

Question 5

The addition of two decimal digits in BCD can be done through______________        
A)bcd adder
B)full adder
C)ripple carry adder
D)carry look ahead

Accepted Answer

BCD adder is specifically designed to add two decimal digits in Binary Coded Decimal format, ensuring correct handling of the decimal carry.

Question 6

3 bits full adder contains______________        
A)3 combinational inputs
B)4 combinational inputs
C)6 combinational inputs
D)8 combinational inputs

Accepted Answer

The answer of 3 bits full adder contains______________        
A)3 combinational inputs
B)4...

Question 7

The simplified expression of full adder carry is
A)c = xy+xz+yz
B)c = xy+xz
C)c = xy+yz
D)c = x+y+z

Accepted Answer

A full adder's carry output is given by $c = xy + xz + yz$, which represents the sum of the product of each pair of inputs plus the product of all three inputs, accounting for all scenarios where a carry would be generated.

Question 8

Decimal digit in BCD can be represented by
A)1 input line
B)2 input lines
C)3 input lines
D)4 input lines

Accepted Answer

BCD (Binary Coded Decimal) represents each decimal digit in the form of a four-bit binary number. Therefore, four input lines are required to represent a single decimal digit in BCD.

Question 9

The number of logic gates and the way of their interconnections can be classified as______________        
A)logical network
B)system network
C)circuit network
D)gate network

Accepted Answer

The correct term for describing the number of logic gates and the way they are interconnected is "logical network." This term accurately reflects the logical operations and the structure of connections between the gates.

Question 10

The addition 1+1 gives 0 as a result.

Accepted Answer

The answer of The addition 1+1 gives 0 as a...

Question 11

The result of 0*1 in binary is______________        
A)0
B)1
C)invalid
D)10

Accepted Answer

The result of multiplying 0 by 1 in binary is 0, just as it is in decimal. Multiplication by 0 results in 0 in standard arithmetic.

Question 12

The multiplication of 110 * 111 is performed. What is a general term used for 111?
A)dividend
B)quotient
C)multiplicand
D)multiplier

Accepted Answer

In multiplication, the number by which another number is multiplied is called the multiplier.

Question 13

What do you call the intermediate terms in binary multiplication?
A)multipliers
B)mid terms
C)partial products
D)multiplicands

Accepted Answer

The intermediate terms in binary multiplication are called partial products. These are the results obtained at each step of the multiplication process before they are summed to get the final product.

Question 14

The result that is smaller than the smallest number obtained is referred to as______________      
A)nan
B)underflow
C)smallest
D)mantissa

Accepted Answer

Underflow occurs when a result of a computation is smaller in magnitude (closer to zero, either positive or negative) than the smallest value representable as a normal floating-point number in the target representation.

Question 15

The number of sign bits in a 32-bit IEEE format is
A)1
B)11
C)9
D)23

Accepted Answer

The IEEE 754 standard for floating-point arithmetic specifies that in a 32-bit format (single precision), there is 1 sign bit, 8 exponent bits, and 23 fraction (mantissa) bits.

Question 16

Express the decimal format of the signed binary number (101010)2 .
A)10
B)12
C)-12
D)-10

Accepted Answer

The binary number (101010)2 is a signed binary number. The leftmost bit is the sign bit, which is 1, indicating a negative number. The remaining bits (01010) represent the number 10 in decimal. Therefore, the signed binary number (101010)2 is -10 in decimal.

Question 17

All the comparisons made by comparator is done using______________        
A)1 circuit
B)2 circuits
C)3 circuits
D)4 circuits

Accepted Answer

Comparators typically use 1 circuit to compare two input voltages and determine which is higher.

Question 18

One that is not the outcome of magnitude comparator is______________        
A)a > b
B)a - b
C)a < b
D)a = b

Accepted Answer

A magnitude comparator's primary function is to compare two values (a and b) and determine the relationship between them in terms of whether one is greater than, less than, or equal to the other. It does not perform arithmetic operations like subtraction (a - b).

Question 19

If two numbers are not equal then binary variable will be______________        
A)0
B)1
C)a
D)b

Accepted Answer

The answer of If two numbers are not equal then...

Question 20

How many inputs are required for a digital comparator?
A)1
B)2
C)3
D)4

Accepted Answer

The answer of How many inputs are required for a...

Quiz 5: Digital Number Systems and Comparators

The decimal number system represents the decimal number in the form of______________

29 input circuit will have total of______________

BCD adder can be constructed with 3 IC packages each of______________

The output sum of two decimal digits can be represented in______________

The addition of two decimal digits in BCD can be done through______________

3 bits full adder contains______________

The simplified expression of full adder carry is

Decimal digit in BCD can be represented by

The number of logic gates and the way of their interconnections can be classified as______________

The addition 1+1 gives 0 as a result.

The result of 0*1 in binary is______________

The multiplication of 110 * 111 is performed. What is a general term used for 111?

What do you call the intermediate terms in binary multiplication?

The result that is smaller than the smallest number obtained is referred to as______________

The number of sign bits in a 32-bit IEEE format is

Express the decimal format of the signed binary number (101010) 2 .

All the comparisons made by comparator is done using______________

One that is not the outcome of magnitude comparator is______________

If two numbers are not equal then binary variable will be______________

How many inputs are required for a digital comparator?