Review: Binary numbers
Binary numbers are the fundamental system of mathematics and computing, using only two digits, 0 and 1, to represent all values. Understanding binary is essential for programming, digital electronics, and computer science.
Quiz(16 pytania)
1. What is the decimal value of binary 1010?
Pojęcia w tym zestawie(17)
What is a binary number?
A binary number is a numeral expressed in the base-2 numeral system, which uses two symbols: 0 and 1.
True or false: Binary uses more than two digits.
False, because binary only uses 0 and 1.
Difference between binary and decimal.
Binary is base-2 (0, 1); decimal is base-10 (0-9).
Fill in the blank: In binary, 10 equals ____ in decimal.
2 in decimal.
What is the binary equivalent of the decimal number 5?
The binary equivalent is 101.
How many bits are in a byte?
A byte consists of 8 bits.
True or false: The binary system is used in computers.
True, because computers operate on binary data.
What does the term 'bit' stand for?
'Bit' is short for 'binary digit,' the smallest unit of data in computing.
Convert binary 1101 to decimal.
1101 in decimal is 13.
What is a hexadecimal system?
Hexadecimal is base-16, using digits 0-9 and letters A-F.
Difference between signed and unsigned binary.
Signed includes negative values; unsigned only represents positive values.
True or false: Binary can represent text.
True, because ASCII uses binary for text representation.
What does 1 byte equal in bits?
1 byte equals 8 bits.
Fill in the blank: The binary number 1110 is equal to ____ in decimal.
14 in decimal.
What is the largest decimal number in a 4-bit binary?
The largest is 15, represented as 1111.
Which of the following is a binary number?
Only 1010 is a binary number (others use decimals).
What is 0.1 in binary?
0.1 in binary is approximately 0.0001100110011... (repeating).
Pytania w tym zestawie(16)
1. What is the decimal value of binary 1010?
2. Which of the following is NOT a binary digit?
3. How many bits are needed to represent the decimal number 255 in binary?
4. Which binary number represents the largest decimal value?
5. Convert binary 1110 to decimal.
6. True or false: The binary system can represent negative numbers.
7. What is the binary representation of the decimal number 2?
8. Difference between binary and hexadecimal.
9. Which of the following is a true statement?
10. How do you convert binary 1001 to decimal?
11. What is the smallest non-negative integer in binary?
12. True or false: Binary numbers are easier for humans to read than decimal.
13. What binary number represents 15?
14. Convert decimal 10 to binary.
15. How many unique values can be represented by 3 bits?
16. What is the binary value of the decimal number 7?
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