# Short-Questions

Fast solutions for complex problems

36

## What is a combination of 8 bits?

A group of eight bits is called a byte. Therefore, a byte is a combination of eight 0’s and 1’s.

### What is a group of 8 bits used to represent a character?

Eight bits are called a byte. One byte character sets can contain 256 characters. The current standard, though, is Unicode which uses two bytes to represent all characters in all writing systems in the world in a single set.

How many numbers can 8 bits represent?

8 bits, can represent positive numbers from 0 to 255.

How many numbers can 16 bits represent?

A 16-bit integer can store 216 (or 65,536) distinct values. In an unsigned representation, these values are the integers between 0 and 65,535; using two’s complement, possible values range from −32,768 to 32,767.

## How many numbers can be represented with 8 bits?

### What is a group of 4 bits called?

A group of four bits is also called a nibble and has 24 = 16 possible values.

Why is it called 8 bit?

In computer science, the term word refers to the standard computational unit of a machine. That means an 8-bit processor has a word that’s eight bits long, which in turn means that the C.P.U. processes eight bits in one operation.

How many numbers can 4 bits represent?

The most common is hexadecimal. In hexadecimal notation, 4 bits (a nibble) are represented by a single digit. There is obviously a problem with this since 4 bits gives 16 possible combinations, and there are only 10 unique decimal digits, 0 to 9.

## What are 16 bits called?

uint16_t
uint16_t – 16 bits, unsigned. uint32_t – 32 bits, unsigned. uint64_t – 64 bits, unsigned.

### What is the biggest number 8 bits can represent?

255
8 bits at minimum. The largest number that can be represented with 7 bits is 127 (27 – 1), and the largest number that can be represented with 8 bits is 255 (28 – 1).

Are 4 bits enough to store 8 directions?

Four bits are not enough to store the eight directions. Eight bits are needed for the new version of the game.

What is better 8-bit or 16 bit?

In terms of color, an 8-bit image can hold 16,000,000 colors, whereas a 16-bit image can hold 28,000,000,000. Note that you can’t just open an 8-bit image in Photoshop and convert it to 16-bit. This extra bit depth does come at a cost. More bits means bigger file sizes, making images more costly to process and store.

## How many numbers are in an 8 bit number?

8-bit Numbers Binary Decimal 00000001 1 00000010 2 00000011 3 00000100 4

### Which is the correct definition of a bit?

The word bitis a shortening of the words “Binary digIT”. Where decimal digits have 10 possible values ranging from 0 to 9, bits have only 2 possible values: 0 and 1. Therefore a binary number is composed of only 0s and 1s, like this: 1011.

How many characters are there in a byte?

In the ASCII character set, each binary value between 0 and 127 is given a specific character. Most computers extend the ASCII character set to use the full range of 256 characters available in a byte. The upper 128 characters handle special things like accented characters from common foreign languages.

How are bytes used in a text document?

Bytes are frequently used to hold individual characters in a text document. In the ASCII character set, each binary value between 0 and 127 is given a specific character. Most computers extend the ASCII character set to use the full range of 256 characters available in a byte.