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The space bar, spacebar, blank, or space key, [1] is a key on a typewriter or alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than all other keys. Its main purpose is to conveniently enter a space , e.g., between words during typing .
Disintegrations per minute (dpm) and disintegrations per second (dps) are measures of the activity of the source of radioactivity. The SI unit of radioactivity, the becquerel (Bq), is equivalent to one disintegration per second. This unit should not be confused with cps, which is the number of counts received by an instrument from the source.
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When a person wanted to type a table (of numbers or text) on a typewriter, there was a lot of time-consuming and repetitive use of the space bar and backspace key. To simplify this, a horizontal bar was placed in the mechanism called the tabulator rack. Pressing the tab key would advance the carriage to the next tabulator stop. The original ...
Symbol rate, baud rate, is the number of transmitted tones per second. One symbol can carry one or several bits of information. In voiceband modems for the telephone network, it is common for one symbol to carry up to 7 bits. Conveying more than one bit per symbol or bit per pulse has advantages.
A 104-key PC US English QWERTY keyboard layout with the numeric keypad at the far right.. Numeric keypads are also used for playing some oldercomputer games where the player must control a character, such as roguelikes and Sid Meier's Pirates!.
Most frequency counters work by using a counter, which accumulates the number of events occurring within a specific period of time.After a preset period known as the gate time (1 second, for example), the value in the counter is transferred to a display, and the counter is reset to zero.
Press Space Bar or ↵ Enter to open the task. 95+ Press Alt+⇧ Shift+Tab ↹: Displays a list of the tasks in the task bar for as long as the Alt is held down. Selects the last task in the list. Continue to cycle through the list by pressing ⇧ Shift+Tab ↹. Release Alt to open the selected task. 3.1+ Press Ctrl+⇧ Shift+Tab ↹