Binary numbers and arithmetic MCQs

By: Prof. Dr. Fazal Rehman | Last updated: June 8, 2024

What is the binary representation of the decimal number 10?

A 1000
B 1010
C 1100
D 1110
Answer: B 1010
What is the decimal equivalent of the binary number 1101?

A 11
B 12
C 13
D 14
Answer: C 13
Which binary number corresponds to the hexadecimal number F?

A 1010
B 1101
C 1110
D 1111
Answer: D 1111
What is the result of adding binary numbers 1011 and 1101?

A 11000
B 10100
C 10010
D 10000
Answer: A 11000
What is the binary representation of the decimal number 255?

A 11110000
B 11111111
C 11111110
D 11101111
Answer: B 11111111
Which of the following is NOT a valid binary number?

A 101010
B 110011
C 100210
D 111000
Answer: C 100210
What is the two’s complement of the binary number 0101?

A 1010
B 1011
C 1101
D 1110
Answer: B 1011
How many bits are in a byte?

A 4
B 8
C 16
D 32
Answer: B 8
What is the binary equivalent of the decimal number 7?

A 100
B 101
C 110
D 111
Answer: D 111
What is the result of the binary subtraction 1010 – 0101?

A 0011
B 0101
C 1001
D 0110
Answer: D 0110
Which binary operation is performed to check parity?

A AND
B OR
C XOR
D NOT
Answer: C XOR
What is the binary representation of the decimal number 20?

A 10100
B 11000
C 10010
D 11100
Answer: A 10100
Which of the following binary numbers represents the highest value?

A 101011
B 110010
C 111001
D 100111
Answer: C 111001
What is the decimal equivalent of the binary number 100101?

A 35
B 37
C 39
D 41
Answer: B 37
Which binary operation is used for multiplication of binary numbers?

A AND
B OR
C XOR
D NOT
Answer: A AND
What is the binary representation of the hexadecimal number A?

A 1000
B 1010
C 1100
D 1110
Answer: B 1010
What is the result of the binary addition 1110 + 0111?

A 10001
B 10101
C 11001
D 11101
Answer: A 10001
What is the most significant bit (MSB) in the binary number 10001?

A 0
B 1
C 8
D 16
Answer: B 1
Which binary number represents the decimal value 3?

A 10
B 11
C 100
D 101
Answer: B 11
What is the result of multiplying binary numbers 101 and 10?

A 1010
B 1100
C 1000
D 1110
Answer: A 1010

MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems

1. Analog vs. Digital signals MCQs
2. Binary numbers and arithmetic MCQs
3. Logic levels and noise margins MCQs

Boolean Algebra

1. Basic logic operations (AND, OR, NOT) MCQ
2. Laws and theorems of Boolean algebra MCQ
3. De Morgan’s Theorems MCQ
4. Canonical forms (Sum of Products, Product of Sums) MCQ
5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQ

Combinational Logic

Logic Gates

1. Basic gates (AND, OR, NOT) Gat MCQ
2. Universal gates (NAND, NOR) Gat MCQs
3. XOR and XNOR gates MCQ

Combinational Circuits

1. Design and analysis of combinational circuits MCQ
2. Multiplexers and Demultiplexers MCQ
3. Encoders and Decoders MCQ
4. Binary Adders (Half adder, Full adder) MCQ
5. Subtractors and Arithmetic Logic Units (ALU) MCQ
6. Comparators MCQ in DLD

Sequential Logic

Flip-Flops and Latches

1. SR Latch, D Latch MCQ
2. Flip-Flops (SR, D, JK, T) MCQ
3. Characteristic equations and excitation tables MCQ
4. Edge-triggered vs. level-triggered devices MCQ

Counters and Registers

1. Synchronous, Asynchronous (ripple), Up/Down counters MCQs
2. Shift registers (SIPO, PISO, SISO, PIPO) MCQs

State Machines

Finite State Machines (FSMs)

1. Moore and Mealy machines MCQs

Memory and Programmable Logic MCQs

Memory Devices

1. Read-Only Memory (ROM)
2. Random Access Memory (RAM)
3. Programmable Logic Devices (PLDs) MCQs
4. Field Programmable Gate Arrays (FPGAs) MCQs

More MCQs of Digital Logic Design (DLD)

• • SET 1: DLD MCQs with answers (dld mcqs with answers)
  • SET 2: DLD MCQs (dld basic mcqs)
  • SET 3: DLD MCQs (solved mcqs of dld)
  • SET 4: DLD MCQs (dld repeated mcqs)
  • SET 5: DLD MCQs (dld important mcqs)
  • SET 6:DLD MCQs DLD Solved MCQs Answers PDF

MCQs collection of solved and repeated MCQs with answers for the preparation of competitive exams, admission test and job of PPSC, FPSC, UPSC, AP, APPSC, APSC, BPSC, PSC, GOA, GPSC, HPSC, HP, JKPSC, JPSC, KPSC, KERALAPSC, MPPSC, MPSC, MPSCMANIPUR, MPSC, NPSC, OPSC, RPSC, SPSCSKM, TNPSC, TSPSC, TPSC, UPPSC, UKPSC, SPSC, KPPSC, BPSC, AJKPSC ALPSC, NPSC, LPSC, SCPSC, DPSC, DCPSC, PSC, UPSC, WVPSC, PSCW, and WPSC.