Keyboard Key Assignment, Main Keyboard - Informatics

Assign keyboard shortcuts

On the keyboard keys are letters of the Latin and United States alphabets, decimal numbers, punctuation marks, graphic and special service marks, names of some commands, etc. The designations on the keys determine their purpose. There are four groups of keys (see Figure 7.1): the main keyboard; functional and some special keys; cursor keys; numeric keypad.

Main keyboard

This group includes alphanumeric and service keys. The arrangement of letters and numbers on the keys is the same as on the keyboard of the typewriter: for Latin letters (Latin letters) it corresponds to the QWERTY standard, for United States letters (Cyrillic alphabet) - to the standard of QUEEN. The name of the standards is determined by the first six letters of the second row of the main keyboard. Input from the keyboard of the Cyrillic alphabet is provided by a special driver, which is loaded resident in RAM when the computer starts. This driver switches from Latin to Cyrillic (and vice versa) by pressing one or two special keys (for example, & lt; Ctrl & gt; or & lt; Ctrl & gt; + & lt; Shift & gt;). Entering lowercase/uppercase letters is done in lower/upper case mode, which depends on the state

Location of keys and indicators on the front panel of the keyboard

Fig. 7.1. Location of keys and indicators on the front of the keyboard

the & lt; Shift & gt; (Shift-shift, replacement) and & lt; Caps Lock & gt; (Caps Lock - capturing capital letters).

All the main keys of the main keyboard are assigned in the table. 7.1.

Table 7.1



Enter (input)

Entering information and returning the carriage when the next line of text is displayed


Both keys translate the keyboard into uppercase (capital) letters, but generate different scan codes

Caps Lock

Register capital letters with the Caps Lock indicator on. In this mode, with the Shift key pressed, you enter lowercase letters



Move the cursor with the text of the part of the line to the right of the cursor, to the right one position with a brief tap. If the cursor is pressed for a long time, the cursor moves continuously



Move the cursor one position to the left (or to the top row) with the character removed


Control - control, control. There are two equivalent keys Ctrl. Used in combination with other keys. For example, the combination & lt; Ctrl & gt; + & lt; S & gt; corresponds to the operation of saving a document (File/Save)

Enter (input)

Entering information and returning the carriage when the next line of text is displayed


Alternative is an alternative. If there are three symbols on the key, for example & lt; 8 & gt ;, & lt; * & gt ;, & lt ;; & gt ;, & lt; Alt & gt; right allows you to display the third character. & lt; Alt & gt; Left using other keys allows:

- Manage the cursor in the menu of some applications. For example, the combination & lt; Alt & gt; + & lt; X & gt; provides exit from the program;

- display characters on the monitor screen (using the numeric keypad). For example, the combination & lt; Alt & gt; + & lt; 123456 & gt; displays the @ symbol


Moves the cursor to the right for a specified number of positions. When creating tables, the combination of the keys & lt; Tab & gt; + & lt; Shift & gt; provides tabulation to the left

thematic pictures

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