Multiply each

**binary**digit by two to the power of its place number. Remember,**binary**is**read**from right to left. The rightmost place number being zero. Add all the results together.How do you count in the binary system?

**Method 1**

**Learning Binary**

- Learn what binary means.
- Add one by changing the last 0 into a 1.
- Write another digit if all the numbers are one.
- Use these rules to count to five.
- Count to six.
- Count to ten.
- Notice when new digits get added.
- Practice with higher numbers.

1

## How do you read a binary clock?

**Binary-coded decimal clocks**

- Reading a BCD clock: Add the values of each column of LEDs to get six decimal digits. There are two columns each for hours, minutes and seconds.
- Both clocks read 12:15:45.
- Time Technology's Samui Moon binary-coded sexagesimal wristwatch.
- A binary clock circuit displaying 13:49:37.

2

## How are letters converted to binary?

Computers

**convert**text and other data into**binary**by using an assigned ASCII value. Once the**letter**"h" (in lowercase) is typed on the keyboard, a signal to the computer as input. The computer knows the ASCII standard value for "h" is "104", which can be**converted**by the computer into the**binary**value "01101000."3

## What is the letter A in binary?

ASCII - Binary Character Table

Letter | ASCII Code | Binary |
---|---|---|

E | 069 | 01000101 |

F | 070 | 01000110 |

G | 071 | 01000111 |

H | 072 | 01001000 |

4

## Is binary read left to right or right to left?

In other words, we normally

**read binary**numbers**left to right**, just as we do with decimal numbers, not**right**to**left**. On the other hand, commonly taught algorithms for adding or multiplying decimal numbers by hand are performed starting at the rightmost digit of each number.5

## What is the ascii?

**ASCII**(American Standard Code for Information Interchange) is the most common format for text files in

**computers**and on the Internet. In an

**ASCII**file, each alphabetic, numeric, or special character is represented with a 7-bit binary number (a string of seven 0s or 1s). 128 possible characters are defined.

6

## How do binary systems work?

**Binary numbers**use the same rules as decimal - the value of any digit always depends on its position in the whole number. It all gets down to bases. Decimal uses base ten, so that every time a number moves one position to the left in a figure, it increases by a power of ten (eg. 1, 10, 100 etc).

7

## How do you write in Morse code?

Place your pencil where it says START and listen to

**morse code**. Move down and to the right every time you hear a DIT (a dot). Move down and to the left every time you hear a DAH (a dash). Here's an**example**: You hear DAH DIT DIT which is a dash then dot then dot.8

## What is the gray code?

The reflected binary

**code**(RBC), also known just as reflected binary (RB) or Gray**code**after Frank Gray, is an ordering of the binary numeral system such that two successive values differ in only one bit (binary digit).9

## How do you read binary?

Multiply each

**binary**digit by two to the power of its place number. Remember,**binary**is**read**from right to left. The rightmost place number being zero. Add all the results together.10

## How bytes are stored in memory?

A collection of 8 bits is called a

**byte**and (on the majority of computers today) a collection of 4**bytes**, or 32 bits, is called a word. Each individual data value in a data set is usually**stored**using one or more**bytes**of**memory**, but at the lowest level, any data**stored**on a computer is just a large collection of bits.11

## How do you count in the binary system?

**Method 1**

**Learning Binary**

- Learn what binary means.
- Add one by changing the last 0 into a 1.
- Write another digit if all the numbers are one.
- Use these rules to count to five.
- Count to six.
- Count to ten.
- Notice when new digits get added.
- Practice with higher numbers.

12

## Which numbering system is based on the number 16?

The hexadecimal

**numeral system**, also known as just hex, is a**numeral system**made up of**16**symbols (**base 16**). The standard**numeral system**is called decimal (**base**10) and uses ten symbols: 0,1,2,3,4,5,6,7,8,9. Hexadecimal uses the decimal**numbers**and includes six extra symbols.15

## What is the ascii value of?

The last example in Table 4.3,

**' 0'**, is called the NULL character, whose ASCII value is zero. Once again, this is NOT the same character as the printable digit character,**'0'**, whose ASCII value is 48.16

## How do I type an ascii character?

For example, to

**insert**the degree (º) symbol, press and hold down ALT while**typing**0176 on the numeric keypad. You must use the numeric keypad to**type**the numbers, and not the**keyboard**. Make sure that the NUM LOCK key is on if your**keyboard**requires it to**type**numbers on the numeric keypad.17

## What is the Unicode character set?

**Unicode**is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.

**Unicode**can be implemented by different

**character**encodings. The

**Unicode**standard defines UTF-8, UTF-16, and UTF-32, and several other encodings are in use.

18

## How do you type a Unicode character?

First create a registry key under HKEY_CURRENT_USER of

**type**REG_SZ called EnableHexNumpad , set its value to 1, and reboot. Then you can**enter Unicode**symbols by holding down the Alt key and typing the plus sign on the numeric keypad followed by the**character**value. When you release the Alt key, the**symbol**will appear.19

## How many characters are there in Unicode?

Unicode allows for

**17**planes, each of**65,536**possible characters (or 'code points'). This gives a total of**1,114,112**possible characters. At present, only about 10% of this space has been allocated.20

## How do I type È on my keyboard?

Press Alt with the appropriate letter. For example, to

**type é**,**è**, ê or ë, hold Alt and press E one, two, three or four times. Stop the mouse over each button to learn its**keyboard**shortcut. Shift + click a button to**insert**its upper-case form.