Page 24 - Appendix Final

Real-time clock (RTC)
Is a circuit that keeps track of the time. It does this by check- Root folder (parent) (see Folder)
ing time over the internet and making sure your computers
time is in sync with the rest of the internet. This is extremely RTF (Rich Text Format)
imported for networking making sure all the computers and Rich text format contains many text option found in a
servers are reading from the same clock and working with Word Processor program, colour, bold, italics and differ-
the same time. ent fonts but lacks the layout option. It’s as popular as
ASCll, the difference being it can contain formatted text
Refresh ASCll cannot.
To ‘refresh’ a web page is simply to make sure the page is Scanner
displaying all the latest information. The page may flicker
momentarily as the Browser updates the page. When you or Scanners convert everyday photos and text document
the computer runs ‘Refresh’ it simply means clear everything into a digital form the computer can understand. They do
and update to the latest information this with the aid of OCR (Optical Character Recognition)
software. This software identifies and convers the text,
Refresh Rate picture and layout into a manageable and readable docu-
The refresh rate, combined with colour depth and screen ment..
resolution, controls your screens quality. Your graphic card Screen Resolution
is constantly checking and refreshing your screen. Windows
normally sets the refresh rate when it first detects your Screen resolution determines how dig or how small your
monitor. The refresh rate can be adjusted. If your screen has screen is. The bigger you make your screen the smaller,
a tendency to flicker it could be that the refresh rate has the lettering and Icons will be. The smaller you make the
been set wrong, maybe too low. screen the bigger the lettering and Icons will be. Changing
the resolution from 1360x768 to 1920x1080 will increase

Registry the size of the screen and allow you to see much more,
The registry is the heart of the Windows operating system. but everything you see will be smaller.
Everything on your computer has a registry setting and val-
ue. The system is constantly validating processes it carries Screensaver
out with the registry. One mistake or a corrupt entry, in the A Screensaver is a moving display that appears when the
monitor has been idle for a of period of time. The Screen-
thousands of entries contain in the Registry could crash the
system. saver was introduced to prevent ‘burning’ or ‘ghosting’,
on the cathode Ray Tube or CRT monitor. This ghosting
Removable Disk was caused when a screen was left on, and static for a
A Removable disc is a CD, DVD or floppy disc. Any disc you long period of time. The static image would eventually
can put in a drive, and can safely remove from the drive is a became burnt to the screen and a kind of ghostly image of
removable disk. it would forever be on the screen. The problem was over-
come by simply programing the screen to switch off. To
Rip (Ripping) help cheer-up the vacant screen, and those people in the
Coping music, videos and other files from a CD or DVD to office around it, a multi-coloured dancing or undulating
your computer (Not to be confused with Burn...see Burn) display was introduced called the ‘Screensaver’, Its con-
stant movement prevented any ghosting effect..
Riser card

Is an expansion card that slots into the motherboard to ex- Screenshot
pand the motherboards functionality. Some risen cards can A ‘Screenshot’ is simply taking a photo of your screen. You
contain several expansion slots allowing for more expansion can do this by pressing the ‘Printscreen’ key on your key-
cards. This helps to keep the physical size of the system very board. This sends the ‘photo or Screenshot’ to the
small and low profile. ‘clipboard’’. You can now paste your screenshot into most
applications that allow you to ‘Paste’. Another way of tak-
ROM (Read Only Memory) ing a Screenshot is to press the ‘Windows key and Print-
Read Only Memory is ‘hard-wired’ which means you can screen’, this sends the shot to the ‘Pictures’ folder where
only read it, you cannot change it or delete it. its saved in a folder call ‘Screenshots’. With this option
you can also paste the Screenshot.
Room
Usually refers to a chat room on a chat website. A Room on Secure Boot (A requirement for Windows 11)
a chat website is usually dedicated to a particular subject or When ‘Secure Boot’s’ Enable, you can only boot from
interest. There can be several Rooms on a chat website. the ‘Microsoft authorised OS loader’ stored securely
A clean Room, is one that is static free and dirt and dust in the ‘UEFI’. This prevents any spoof or unsigned ‘OS
free. loader’ from accessing the system.

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