Mcqs of Number system in computer
Multiple Choice Questions (MCQs) on Number System
- What does the base or radix of a number system represent?
- A) The number of operations allowed.
- B) The number of unique digits used.
- C) The total value of all digits.
- D) The positional value of the digits.
Answer: B) The number of unique digits used.
- Which of the following is NOT a base system mentioned in the note?
- A) Decimal System
- B) Binary System
- C) Ternary System
- D) Hexadecimal System
Answer: C) Ternary System
- In the decimal system, what is the value of the digit ‘5’ in the number ’53’?
- A) 5
- B) 50
- C) 53
- D) 500
Answer: A) 5
- Which number system is fundamental in digital computing?
- A) Decimal System
- B) Octal System
- C) Binary System
- D) Hexadecimal System
Answer: C) Binary System
- How many digits are used in the hexadecimal system?
- A) 8
- B) 10
- C) 16
- D) 20
Answer: C) 16
- What does positional notation in a number system mean?
- A) The value of a digit depends only on its position.
- B) The value of a digit remains the same regardless of its position.
- C) The number of digits used is fixed.
- D) There is no relation between the value and position of a digit.
Answer: A) The value of a digit depends only on its position.
- Which system does NOT use a positional notation?
- A) Decimal System
- B) Binary System
- C) Octal System
- D) Roman Numeral System
Answer: D) Roman Numeral System
- In which application might you commonly encounter hexadecimal representations?
- A) Daily grocery shopping
- B) Writing novels
- C) Representing cryptographic keys
- D) Gardening
Answer: C) Representing cryptographic keys
- Why might representing real numbers in binary lead to errors?
- A) Binary systems are too complex.
- B) Not all numbers can be represented exactly.
- C) Computers cannot handle binary calculations.
- D) Binary systems are too slow.
Answer: B) Not all numbers can be represented exactly.
- Historically, which system was used for counting due to the number of fingers and toes on humans?
- A) Base-10
- B) Base-20
- C) Base-60
- D) Base-100
Answer: B) Base-20
Suggested MCQs for this topic:
- Which system is commonly used in our daily life for calculations and counting?
- A) Binary System
- B) Decimal System
- C) Octal System
- D) Hexadecimal System
Answer: B) Decimal System
- What is the radix or base of the binary system?
- A) 8
- B) 10
- C) 2
- D) 16
Answer: C) 2
- When converting a number from the binary system to the decimal system, which method involves multiplying each digit by its positional value and summing up?
- A) Multiplication Method
- B) Division Method
- C) Binary-to-Decimal Method
- D) Addition Method
Answer: C) Binary-to-Decimal Method
- Which of the following is a characteristic feature of the positional notation in a number system?
- A) Digits have a fixed value.
- B) Value of a digit depends on its position.
- C) Base of the system is always 10.
- D) All digits in the system are prime numbers.
Answer: B) Value of a digit depends on its position.
