**What is a bit (binary digit)?** A bit (binary digit) is the smallest unit of data that a computer can process and store. A bit is always in one of two physical states, similar to an on/off light switch. The state is represented by a single binary value, usually a 0 or 1.

## What is 32-bit number?

32-bit, in computer systems, refers to the number of bits that can be transmitted or processed in parallel. In other words, 32-bits the number of bits that compose a data element. For a data bus, 32-bit means the number of pathways available, meaning that it has 32 pathways in parallel for data to travel.

## What is bit with example?

It’s a single unit of information with a value of either 0 or 1 (off or on, false or true, low or high). Eight bits make a byte, as shown in the picture. So, if you had two bytes (word) it would be 16 bits (2 x 8=16), and 10 bytes would be 80 bits (10 x 8=80).

## What is the smallest unit of data?

A byte is the smallest unit of memory used in today’s computing. Bytes consist of eight bits, and a byte is used to encode a single number, letter, or symbol.

## How many bits are in a number?

Each digit in a binary number is called a bit. The number 1010110 is represented by 7 bits. Any number can be broken down this way, by finding all of the powers of 2 that add up to the number in question (in this case 26, 24, 22 and 21).

## How do you calculate bits?

When looking for the number of bits needed to represent a given number of characters (letters, numbers, or symbols), you need to look at the powers of 2. For example, the reason that 5 bits are required to represent 27 characters is that 2^2=4 (4 is not enough), 2^3 is 8 (still not enough)… 2^5 is 32.

## Is binary always 8 bit?

In the electronics world, each binary digit is commonly referred to as a bit. A group of eight bits is called a byte and four bits is called a nibble. … Binary Numbers. Decimal, Base 10 Hexadecimal, Base 16 6 6 7 7 8 8 9 9 15 more rows

## Is a letter a byte?

We call 8 bits a byte. The very common ASCII system makes each letter of the alphabet, both capital and small (plus punctuation and some other symbols) correspond to a number from 0 to 255 (for example a=97, b= 98 and so on), so one letter can be expressed with one byte.

## How many numbers is 16 bits?

65,535 A 16-bit register can store a positive number between 0 and 216 − 1, that is, 65,535. Thus a 16-bit word can be used for positive numbers in the range 0 to 65,535.

## Why are there 7 bits in a byte?

There were monitor calls (system calls) that accepted strings of 7-bit characters packed in this way. So: at the hardware level, bytes were variable-sized. At the software convention level, a byte was frequently 7 bits.

## How many bits is a 32-bit byte?

eight bits A bit refers to one binary digit, which is the smallest amount of information a computer can record. A 32-bit number, then, consists of four groups of eight bits each (this group of eight bits is called a byte).

## Which is slowest memory?

2. 1 Memory Hierarchy Speed Memory Fastest Cache RAM Slowest Disk

## What is unit of memory?

On a practical scale, memory is measured in kilobytes (KB) or megabytes (MB). A kilobyte is not, as one might at first expect, 1000 bytes. Rather, the correct sum is 2^10 = 1024 bytes. Likewise, a megabyte is not 1000^2 = 1,000,000 bytes, but instead 1024^2 = 1,048,576 bytes.

## What are the 2 types of memory?

Put succinctly, memory is primary memory, while storage is secondary memory. Memory refers to the location of short-term data, while storage refers to the location of data stored on a long-term basis.

## Which is greater MB or KB?

A megabyte has approximately 1,000 (or 1,024 to be precise) kilobytes.

## Resources

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https://forum.code.org/t/how-many-bits-how-do-i-calculate-this/19209

https://www.sciencedirect.com/topics/engineering/binary-number

https://plus.maths.org/content/text-bytes-and-videotape-0

https://www.sciencedirect.com/topics/engineering/binary-word

https://retrocomputing.stackexchange.com/questions/15512/did-any-computer-use-a-7-bit-byte

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