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Date and Time (timedate.cpl) Allows user to change the date and time stored in the machine's BIOS, change the time zone and specify whether to synchronize the date and time with an Internet Time Server and which server to use. Display (control desktop) (desk.cpl) (Renamed "Personalization" in Windows Vista, 7 and 8.1)
A 4:3 monitor. Until about 2003, most computer monitors used an aspect ratio of 4:3, and in some cases 5:4. For cathode ray tubes (CRTs) 4:3 was most common even in resolutions where this meant the pixels would not be square (e.g. 320×200 or 1280×1024 on a 4:3 display).
Select all in focused control or window Ctrl+A: ⌘ Cmd+A: Ctrl+A: Ctrl+x, then h: ggVG, unlikely ever needed as most commands take an optional range parameter. % means "all in focused windows" here so e.g. to copy all the text, use:%y: Ctrl+A: Cycle through installed keyboard languages / input methods
Note the DE-9 connector, cryptic mode switch, contrast and brightness controls at front, and the V-Size and V-Hold knobs at rear, which allow the control of the scaling and signal to CRT refresh rate synchronization respectively. Various computer display standards or display modes have been used in the history of the personal computer.
Operating systems differ as to whether the keys (pressed without modifier) simply move the view – e.g. in Mac OS X – or also the input caret – e.g. in Microsoft Windows. In right-to-left settings, PgUp will move either upwards or rightwards (instead of left) and PgDn will move down or leftwards (instead of right).
At the same time, they are bothersome for some screen reader users because it interferes with the shortcuts of their screen reader. The best solution would be to have customizable keyboard shortcuts. The accessibility of keyboard shortcuts (access keys) is a complicated matter.
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Widescreen televisions provide several modes for displaying video from 4:3 (standard aspect ratio) sources. These modes may be selected manually from a remote control, or automatically if an Active Format Description is available.