Question 1

The decimal equivalent of the octal number (645)8 is____________

Accepted Answer

A) (450)10 
B) (451)10 
C) (421)10 
D) (501)10 
A) (450)10 
B) (451)10 
C) (421)10 
D) (501)10 C

Question 2

The excess-3 code for 597 is given by______________

Accepted Answer

A) 100011001010 
B) 100010100111 
C) 010110010111 
D) 010110101101 
A) 100011001010 
B) 100010100111 
C) 010110010111 
D) 010110101101 A

Question 3

100101 × 0110 = ?

Accepted Answer

A) 1011001111 
B) 0100110011 
C) 101111110 
D) 0110100101 
A) 1011001111 
B) 0100110011 
C) 101111110 
D) 0110100101 C

Question 4

Carry out BCD subtraction for (68) - (61) using 10's complement method.

Accepted Answer

A) 00000111 
B) 01110000 
C) 100000111 
D) 011111000 
A) 00000111 
B) 01110000 
C) 100000111 
D) 011111000

Question 5

When numbers, letters or words are represented by a special group of symbols, this process is called

Accepted Answer

A) decoding 
B) encoding 
C) digitizing 
D) inverting 
A) decoding 
B) encoding 
C) digitizing 
D) inverting

Question 6

Divide the binary numbers: 111101 ÷ 1001 and find the remainder

Accepted Answer

A) 0010 
B) 1010 
C) 1100 
D) 0011 
A) 0010 
B) 1010 
C) 1100 
D) 0011

Question 7

What is the addition of the binary numbers 11011011010 and 010100101?

Accepted Answer

A) 0111001000 
B) 1100110110 
C) 11101111111 
D) 10011010011 
A) 0111001000 
B) 1100110110 
C) 11101111111 
D) 10011010011

Question 8

Any signed negative binary number is recognised by its______________

Accepted Answer

A) msb 
B) lsb 
C) byte 
D) nibble 
A) msb 
B) lsb 
C) byte 
D) nibble

Question 9

The decimal equivalent of the binary number (1011.011)2 is______________

Accepted Answer

A) (11.375)10 
B) (10.123)10 
C) (11.175)10 
D) (9.23)10 
A) (11.375)10 
B) (10.123)10 
C) (11.175)10 
D) (9.23)10

Question 10

An important drawback of binary system is

Accepted Answer

A) it requires very large string of 1's and 0's to represent a decimal number 
B) it requires sparingly small string of 1's and 0's to represent a decimal number 
C) it requires large string of 1's and small string of 0's to represent a decimal number 
D) it requires small string of 1's and large string of 0's to represent a decimal number 
A) it requires very large string of 1's and 0's to represent a decimal number 
B) it requires sparingly small string of 1's and 0's to represent a decimal number 
C) it requires large string of 1's and small string of 0's to represent a decimal number 
D) it requires small string of 1's and large string of 0's to represent a decimal number

Question 11

Divide the binary number (011010000) by (0101) and find the quotient

Accepted Answer

A) 100011 
B) 101001 
C) 110010 
D) 010001 
A) 100011 
B) 101001 
C) 110010 
D) 010001

Question 12

The decimal equivalent of the excess-3 number 110010100011.01110101 is______________

Accepted Answer

A) 970.42 
B) 1253.75 
C) 861.75 
D) 1132.87 
A) 970.42 
B) 1253.75 
C) 861.75 
D) 1132.87

Question 13

The largest two digit hexadecimal number is

Accepted Answer

A) (fe)16 
B) (fd)16 
C) (ff)16 
D) (ef)16 
A) (fe)16 
B) (fd)16 
C) (ff)16 
D) (ef)16

Question 14

The decimal number 10 is represented in its BCD form as______________

Accepted Answer

A) 10100000 
B) 01010111 
C) 00010000 
D) 00101011 
A) 10100000 
B) 01010111 
C) 00010000 
D) 00101011

Question 15

A three digit decimal number requires______________for representation in the conventional BCD format.

Accepted Answer

A) 3 bits 
B) 6 bits 
C) 12 bits 
D) 24 bits 
A) 3 bits 
B) 6 bits 
C) 12 bits 
D) 24 bits

Question 16

The parameter through which 16 distinct values can be represented is known as______________

Accepted Answer

A) bit 
B) byte 
C) word 
D) nibble 
A) bit 
B) byte 
C) word 
D) nibble

Question 17

The representation of octal number (532.2)8 in decimal is______________

Accepted Answer

A) (346.25)10 
B) (532.864)10 
C) (340.67)10 
D) (531.668)10 
A) (346.25)10 
B) (532.864)10 
C) (340.67)10 
D) (531.668)10

Question 18

The expression for Absorption law is given by

Accepted Answer

A) a + ab = a 
B) a + ab = b 
C) ab + aa' = a 
D) a + b = b + a 
A) a + ab = a 
B) a + ab = b 
C) ab + aa' = a 
D) a + b = b + a

Question 19

Representation of hexadecimal number (6DE)H in decimal:

Accepted Answer

A) 6 * 162 + 13 * 161 + 14 * 160 
B) 6 * 162 + 12 * 161 + 13 * 160 
C) 6 * 162 + 11 * 161 + 14 * 160 
D) 6 * 162 + 14 * 161 + 15 * 160 
A) 6 * 162 + 13 * 161 + 14 * 160 
B) 6 * 162 + 12 * 161 + 13 * 160 
C) 6 * 162 + 11 * 161 + 14 * 160 
D) 6 * 162 + 14 * 161 + 15 * 160

Question 20

In boolean algebra, the OR operation is performed by which properties?

Accepted Answer

A) associative properties 
B) commutative properties 
C) distributive properties 
D) all of the mentioned 
A) associative properties 
B) commutative properties 
C) distributive properties 
D) all of the mentioned

The decimal equivalent of the octal number (645)8 is____________

The excess-3 code for 597 is given by______________

100101 × 0110 = ?

Carry out BCD subtraction for (68) - (61) using 10's complement method.

When numbers, letters or words are represented by a special group of symbols, this process is called

Divide the binary numbers: 111101 ÷ 1001 and find the remainder

What is the addition of the binary numbers 11011011010 and 010100101?

Any signed negative binary number is recognised by its______________

The decimal equivalent of the binary number (1011.011)2 is______________

An important drawback of binary system is

Divide the binary number (011010000) by (0101) and find the quotient

The decimal equivalent of the excess-3 number 110010100011.01110101 is______________

The largest two digit hexadecimal number is

The decimal number 10 is represented in its BCD form as______________

A three digit decimal number requires______________for representation in the conventional BCD format.

The parameter through which 16 distinct values can be represented is known as______________

The representation of octal number (532.2)8 in decimal is______________

The expression for Absorption law is given by

Representation of hexadecimal number (6DE)H in decimal:

In boolean algebra, the OR operation is performed by which properties?

Boolean Algebra

Boolean Algebra and Logic Circuits

Logic Circuit and Arithmetic Unit

Digital Number Systems and Comparators

Digital Comparators, Encoders, and Multiplexers

Digital Circuits and HDL Applications

Understanding Flip-Flop and Sequential Circuits

Registers and Counters in Digital Logic

Sequential Circuits and Fault Detection Techniques

Ram, Memory, and Storage Technology

Transmission, Memory and PLDS

Programmable Logic Devices PLDS and Field-Programmable Gate Arrays FPGAS

Filters

Exam 1: Number Systems and Binary Codes

The decimal equivalent of the octal number (645)8 is____________

The excess-3 code for 597 is given by______________

100101 × 0110 = ?

Carry out BCD subtraction for (68) - (61) using 10's complement method.

When numbers, letters or words are represented by a special group of symbols, this process is called

Divide the binary numbers: 111101 ÷ 1001 and find the remainder

What is the addition of the binary numbers 11011011010 and 010100101?

Any signed negative binary number is recognised by its______________

The decimal equivalent of the binary number (1011.011)2 is______________

An important drawback of binary system is

Divide the binary number (011010000) by (0101) and find the quotient

The decimal equivalent of the excess-3 number 110010100011.01110101 is______________

The largest two digit hexadecimal number is

The decimal number 10 is represented in its BCD form as______________

A three digit decimal number requires______________for representation in the conventional BCD format.

The parameter through which 16 distinct values can be represented is known as______________

The representation of octal number (532.2)8 in decimal is______________

The expression for Absorption law is given by

Representation of hexadecimal number (6DE)H in decimal:

In boolean algebra, the OR operation is performed by which properties?

Boolean Algebra

Boolean Algebra and Logic Circuits

Logic Circuit and Arithmetic Unit

Digital Number Systems and Comparators

Digital Comparators, Encoders, and Multiplexers

Digital Circuits and HDL Applications

Understanding Flip-Flop and Sequential Circuits

Registers and Counters in Digital Logic

Sequential Circuits and Fault Detection Techniques

Ram, Memory, and Storage Technology

Transmission, Memory and PLDS

Programmable Logic Devices PLDS and Field-Programmable Gate Arrays FPGAS

Filters