Integer and Floating-Point Arithmetic MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 20, 2024

What is the result of dividing two integers in most programming languages, 5 divided by 2?
A) 2.5
B) 2
C) 3
D) 1
Answer: B

In floating-point arithmetic, what is the result of 5.0 divided by 2.0?
A) 2
B) 2.5
C) 3
D) 1
Answer: B

Which of the following is an issue with floating-point arithmetic?
A) Inaccuracy due to rounding
B) Overflow errors
C) Division by zero
D) All of the above
Answer: D

Which type of number has higher precision in most modern computing systems?
A) Integer
B) Floating-point
C) Decimal
D) Binary
Answer: B

How many bits does a standard IEEE 754 single-precision floating-point number use?
A) 16
B) 32
C) 64
D) 128
Answer: B

What is the result of adding 3.0 and 1.75 in floating-point arithmetic?
A) 4.75
B) 4
C) 5
D) 4.5
Answer: A

Which of the following can cause loss of precision in floating-point arithmetic?
A) Adding very large and very small numbers
B) Multiplying integers
C) Modulus operation
D) Bitwise shifts
Answer: A

Which of the following is true for integer division in most programming languages?
A) It produces a floating-point result
B) It produces a quotient without a remainder
C) It throws an error when a remainder exists
D) It always rounds up
Answer: B

What is the result of 7 % 3 in integer arithmetic?
A) 0
B) 1
C) 2
D) 3
Answer: B

In floating-point arithmetic, the result of subtracting 2.5 from 7.5 is:
A) 5.0
B) 4.0
C) 4.5
D) 5.5
Answer: A

Which of the following is the primary difference between integer and floating-point arithmetic?
A) Integers can represent larger numbers
B) Floating-point numbers can represent fractional values
C) Integers are stored using more bits
D) Floating-point numbers are faster to compute
Answer: B

What is the result of multiplying two integers, 3 and 4?
A) 7
B) 12
C) 11
D) 10
Answer: B

Which of the following is true for floating-point division?
A) It always returns an integer
B) It can produce an exact fractional result
C) It causes overflow errors in large numbers
D) It does not round
Answer: B

Which of the following is true about floating-point overflow?
A) It happens when the result is too large for the floating-point format
B) It occurs only in integer arithmetic
C) It causes division by zero
D) It leads to rounding errors
Answer: A

What is the result of dividing an integer by zero in most programming languages?
A) Zero
B) Undefined
C) Infinity
D) NaN
Answer: B

The result of 9.2 % 2.1 in floating-point arithmetic is approximately:
A) 1
B) 2
C) 0.7
D) 0
Answer: C

Which of the following is more likely to suffer from rounding errors?
A) Integer arithmetic
B) Floating-point arithmetic
C) Binary operations
D) Bitwise operations
Answer: B

How many bits are used to represent a double-precision floating-point number in the IEEE 754 standard?
A) 16
B) 32
C) 64
D) 128
Answer: C

What is the integer result of 10 divided by 3 in programming?
A) 3.33
B) 3
C) 4
D) 0
Answer: B

In floating-point arithmetic, the result of 10.0 / 4.0 is:
A) 2.5
B) 2
C) 3
D) 4
Answer: A

Which of the following results in an overflow in integer arithmetic?
A) Adding two large integers
B) Dividing two small integers
C) Multiplying a small integer and a large integer
D) Subtracting a smaller number from a larger number
Answer: A

What is the result of 2.1 + 2.9 in floating-point arithmetic?
A) 4.9
B) 5.0
C) 5.1
D) 5
Answer: B

Which arithmetic operation is more accurate in floating-point representation?
A) Addition
B) Multiplication
C) Division
D) Subtraction
Answer: A

What happens when an integer overflows in most programming languages?
A) It throws an error
B) It wraps around to the lowest value
C) It returns NaN
D) The program terminates
Answer: B

What is the result of multiplying two floating-point numbers, 1.5 and 2.5?
A) 3.25
B) 4.0
C) 3.75
D) 5.0
Answer: C

Which of the following is a challenge with floating-point multiplication?
A) Overflow
B) Underflow
C) Rounding errors
D) All of the above
Answer: D

Which of the following is true for integer modulus operation?
A) It always returns a floating-point result
B) It returns the remainder of the division
C) It returns the quotient of the division
D) It is undefined in most languages
Answer: B

In floating-point arithmetic, what is the result of 7.5 – 5.5?
A) 3.0
B) 2.0
C) 1.0
D) 1.5
Answer: B

What is the difference between integer and floating-point division?
A) Integer division always returns a whole number
B) Floating-point division returns the remainder
C) Integer division returns a floating-point number
D) Floating-point division causes an overflow
Answer: A

What is the result of 12 % 5 in integer arithmetic?
A) 0
B) 2
C) 3
D) 1
Answer: B

In floating-point arithmetic, what is the result of 12.0 % 5.0?
A) 0.5
B) 2.0
C) 3.0
D) 1.0
Answer: B

What is the result of adding two large floating-point numbers that exceed the format’s range?
A) Rounding error
B) Overflow
C) Underflow
D) Zero
Answer: B

What is the value of 5.0 raised to the power of 2.0 in floating-point arithmetic?
A) 10.0
B) 20.0
C) 25.0
D) 15.0
Answer: C

Which of the following is used to store fractional values?
A) Integer
B) Floating-point
C) Boolean
D) Character
Answer: B

What is the result of dividing 7 by 3 in floating-point arithmetic?
A) 2
B) 3
C) 2.3333
D) 2.5
Answer: C

What is the result of dividing 9.0 by 3.0 in floating-point arithmetic?
A) 2.0
B) 3.0
C) 4.0
D) 6.0
Answer: B

Which of the following operations can lead to underflow in floating-point arithmetic?
A) Adding two large numbers
B) Subtracting a small number from a large number
C) Multiplying two small numbers
D) Dividing two large numbers
Answer: C

In integer arithmetic, what is the result of 8 divided by 3?
A) 2
B) 3
C) 2.5
D) 1
Answer: A

Which of the following is an example of floating-point arithmetic overflow?
A) 1.0e+308 + 1.0e+308
B) 100 – 50
C) 3.0 / 2.0
D) 0.1 * 0.2
Answer: A

Which of the following is a correct representation of 10 in floating-point format?
A) 1.0 * 10^1
B) 10.0 * 10^0
C) 0.1 * 10^2
D) 0.1 * 10^1
Answer: A

In integer arithmetic, which of the following produces a result of zero?
A) 10 divided by 5
B) 5 % 5
C) 10 % 5
D) 5 % 10
Answer: B

What is the result of 10.5 * 3.2 in floating-point arithmetic?
A) 32.0
B) 33.6
C) 31.0
D) 30.5
Answer: B

Which of the following can occur in floating-point arithmetic when subtracting very close values?
A) Overflow
B) Underflow
C) Loss of precision
D) Division by zero
Answer: C

What is the result of subtracting 1.1 from 2.5 in floating-point arithmetic?
A) 1.3
B) 1.4
C) 1.2
D) 1.5
Answer: B

In floating-point arithmetic, multiplying 2.0 by 0.5 gives:

A) 0.5
B) 2.5
C) 1.0
D) 1.5
Answer: C

What is the main cause of rounding errors in floating-point arithmetic?
A) Limited precision of floating-point numbers
B) Incorrect use of modulus operator
C) Inaccurate integer calculations
D) Overflow in integer division
Answer: A

Which of the following is the correct result of 6.2 + 4.3 in floating-point arithmetic?
A) 10.5
B) 10.2
C) 10.1
D) 10.0
Answer: C

Read More Computer Architecture MCQs

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3. SET 3: Computer Architecture MCQs
4. SET 4: Computer Architecture MCQs
5. SET 5: Computer Architecture MCQs
6. SET 6: Computer Architecture MCQs
7. SET 7: Computer Architecture MCQs
8. SET 8: Computer Architecture MCQs
9. SET 9: Computer Architecture MCQs

• Introduction to Computer Architecture MCQs
  • Evolution of Computer Architecture MCQs
  • von Neumann vs Harvard Architecture MCQs
• Basic Components of a Computer System MCQs
  • Central Processing Unit (CPU) MCQs
  • Memory (RAM, ROM, Cache) MCQs
  • Input/Output (I/O) Devices MCQs
  • Buses (Data, Address, Control) MCQs
• CPU Organization MCQs
  • ALU (Arithmetic Logic Unit) MCQs
  • Control Unit MCQs
  • Registers (General Purpose, Special Purpose) MCQs
  • Flags and Status Registers MCQs
• Instruction Set Architecture (ISA) MCQs
  • Types of Instructions (Data Movement, Arithmetic, Control) MCQs
  • Addressing Modes (Immediate, Direct, Indirect, Indexed) MCQs
  • Instruction Formats MCQs
  • RISC (Reduced Instruction Set Computer) vs CISC (Complex Instruction Set Computer) MCQs
• Microarchitecture MCQs
  • Pipelining (Stages and Hazards) MCQs
  • Superscalar Architecture MCQs
  • Multithreading MCQs
  • Out-of-Order Execution MCQs
• Memory Hierarchy MCQs
  • Cache Memory (L1, L2, L3) MCQs
  • Virtual Memory MCQs
  • Paging and Segmentation MCQs
  • TLB (Translation Lookaside Buffer) MCQs
• Cache Memory MCQs
  • Cache Mapping Techniques (Direct, Associative, Set-Associative) MCQs
  • Cache Coherency MCQs
  • Write Policies (Write-Through, Write-Back) MCQs
  • Cache Miss and Hit MCQs
• Input/Output Organization MCQs
  • I/O Techniques (Polling, Interrupts, DMA) MCQs
  • I/O Mapping (Memory-Mapped I/O, Isolated I/O) MCQs
  • Interrupt Handling MCQs
• Bus Architecture MCQs
  • System Bus (Data, Address, Control) MCQs
  • Bus Arbitration MCQs
  • Synchronous vs Asynchronous Buses MCQs
• Performance Metrics MCQs
  • Clock Speed and Cycles per Instruction (CPI) MCQs
  • MIPS (Million Instructions per Second) MCQs
  • FLOPS (Floating-Point Operations per Second) MCQs
  • Amdahl’s Law MCQs
• Parallelism in Computer Architecture MCQs
  • Instruction-Level Parallelism (ILP) MCQs
  • Data-Level Parallelism (DLP) MCQs
  • Thread-Level Parallelism (TLP) MCQs
  • Symmetric Multiprocessing (SMP) vs Asymmetric Multiprocessing (AMP) MCQs
• Multicore and Multiprocessor Systems MCQs
  • Multicore Architectures MCQs
  • Shared Memory vs Distributed Memory MCQs
  • Interconnection Networks MCQs
• Control Unit Design MCQs
  • Hardwired Control vs Microprogrammed Control MCQs
  • Control Signals and Timing MCQs
  • Instruction Cycle and Control Flow MCQs
• Pipeline Hazards MCQs
  • Structural, Data, and Control Hazards MCQs
  • Techniques to Overcome Hazards (Stalling, Forwarding, Branch Prediction) MCQs
• Branch Prediction and Speculation MCQs
  • Static and Dynamic Branch Prediction MCQs
  • Speculative Execution MCQs
  • Branch Target Buffers MCQs
• Arithmetic and Logic Operations MCQs
  • Integer and Floating-Point Arithmetic MCQs
  • ALU Design MCQs
  • Fixed-Point vs Floating-Point Representation MCQs
• Memory Management MCQs
  • Paging, Segmentation, and Virtual Memory MCQs
  • Memory Protection and Privilege Levels MCQs
  • Memory Allocation and Deallocation MCQs
• Power and Energy Efficiency MCQs
  • Power Dissipation in CPUs MCQs
  • Low-Power Design Techniques MCQs
  • Energy-Aware Computing MCQs
• Advanced Topics MCQs
  • GPU Architecture and Usage MCQs
  • Quantum Computing Basics MCQs
  • Neuromorphic Computing MCQs
• Emerging Trends
  • Cloud Computing Architectures MCQs
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