1.
An arbitrary information unit equivalent to some fixed but unspecified number of bits is called?
Correct Answer
B. Binit
Explanation
A "binit" is an arbitrary information unit that is equivalent to some fixed but unspecified number of bits. It is a term used to describe a unit of information that is smaller than a byte but larger than a bit. The term "binit" is not commonly used in computer science or information theory, but it is a hypothetical unit that could be used to represent a group of bits.
2.
The natural unit for information entropy is the?
Correct Answer
B. Nat
Explanation
The natural unit for information entropy is the "nat". This unit is used in information theory to measure the amount of information in a message or data. It is based on the natural logarithm and represents the information content of an event occurring with a probability of 1/e. The "bit" is another unit used to measure information entropy, but the "nat" is considered more natural as it aligns with the logarithmic nature of information theory calculations.
3.
Bits are encoded in?
Correct Answer
D. Binary values
Explanation
Bits are encoded in binary values. Binary is a number system that uses only two digits, 0 and 1, to represent all numbers and data. In computer systems, information is stored and transmitted using bits, which are the smallest unit of data. Each bit can have a value of either 0 or 1, and these binary values are used to represent various types of data such as numbers, characters, and instructions in computer systems. Therefore, bits are encoded in binary values.
4.
One of the uses of bits include?
Correct Answer
C. Data storage
Explanation
Bits are used for data storage because they are the smallest unit of information in computing. They can represent either a 0 or a 1, which can be used to store and represent data in various forms such as text, numbers, images, and more. By combining multiple bits, larger units of data can be represented, allowing for the storage and retrieval of information in computer systems.
5.
A binary digit is composed of how many values?
Correct Answer
A. 2
Explanation
A binary digit, also known as a bit, is composed of two values: 0 and 1. In the binary number system, these two values are used to represent information and perform calculations in computers. Each bit can be in one of these two states, and by combining multiple bits, complex information can be represented and processed. Therefore, the correct answer is 2.
6.
The length of a binary number is referred to as?
Correct Answer
C. Bit-length
Explanation
The length of a binary number is commonly referred to as "bit-length" because it represents the number of bits required to represent the number. In binary, each digit is either a 0 or a 1, and these digits are referred to as bits. Therefore, the length of a binary number is measured in terms of the number of bits it contains.
7.
The maximum amount of information that can be carried by a binary digit is a?
Correct Answer
A. Bit
Explanation
A bit is the fundamental unit of information in computing and digital communications. It can represent two possible states, typically represented as 0 or 1. Therefore, a bit can carry the maximum amount of information in a binary digit because it represents the most basic and fundamental unit of information in the binary system.
8.
A quantum system that can exist in superposition of two classical bit values is?
Correct Answer
C. Qubit
Explanation
A qubit is a quantum system that can exist in a superposition of two classical bit values. In classical computing, a bit can only be in one of two states, either 0 or 1. However, in quantum computing, a qubit can be in a state that is a combination of both 0 and 1 simultaneously, thanks to the principle of superposition. This property of qubits allows for the potential of performing complex calculations and solving certain problems more efficiently than classical computers.
9.
A group of eight binary digits is called a?
Correct Answer
A. Byte
Explanation
A group of eight binary digits is called a byte. In computing, a byte is the basic unit of storage and information in most computer systems. It consists of eight bits, each of which can represent a 0 or 1. Bytes are commonly used to represent characters, numbers, and other types of data in computer programs and files.
10.
How many bits make up a megabit?
Correct Answer
A. 1 000 000
Explanation
A megabit is a unit of digital information that consists of 1,000,000 bits. It is often used to measure data transfer rates or storage capacity. Therefore, the correct answer is 1,000,000.