Câu hỏi phỏng vấn Bit Manipulation
Câu hỏi

What is Bit?

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What is a Bit?

A bit, short for "binary digit," is the most basic unit of information in computing and digital communications. It represents a logical state with one of two possible values: 0 or 1. These values can also be interpreted as "off" or "on," "false" or "true," or other binary states depending on the context[2][3][6][7].

Key Characteristics of a Bit:

  • Smallest Unit of Data: A bit is the smallest amount of data that can be represented on a computer[3][6].
  • Binary System: Bits operate within the binary number system, which uses only two numerals: 0 and 1[8][9].
  • Physical Representation: Physically, a bit can be represented by various means such as a transistor and capacitor in a RAM cell, a magnetic domain on a disk, or a voltage pulse in a circuit[7].
  • Boolean Algebra: The concept of bits is based on Boolean algebra, which deals with binary variables and logical operations[2].

Usage and Importance:

  • Data Storage: Bits are the fundamental building blocks of data storage. Multiple bits are grouped together to form larger units of data, such as bytes (8 bits)[3][6][10].
  • Data Transmission: Bits are also used as a measurement for network transmission speeds, such as megabits per second (Mbps)[7].
  • Computational Operations: Bits are crucial in various computational operations, including bitwise operations like AND,...
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junior

Name some bitwise operations you know

middle

What are some real world use cases of the bitwise operators?

middle

What is Bit Masking?

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