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DIP Switch (Dual In-line Package switch) Hard Drive/Disk or ‘C’ Drive. Both refer to the physical
A small toggle switch embedded in a Dip chip. disks, containing either the Operating System or stored
data, and permanently attached to the computer. A Disk
Diskette used in a Drive can store data but is usually removed from
A thin electronic disk or platter enclosed in a plastic or the Drive and stored outside the computer.
cardboard cover. Better known as a ‘Floppy disk’.(3.5”)
The word ‘Floppy’ originates from the 8” flexible envelope Drive mapping
disk introduce by IBM and the SHOGERT 5.25”flexible en- A name or a letter assigned to a disk drive. A or B is re-
velope disk. These disks were quite literally floppy. served for first and second floppy disk drives. ‘C’ for the
primary hard disk (Usually the System drive). When you
DMA (Direct Memory Access)
add drives, Drive mapping will assign to them the next
Specialized channels or a microprocessor that can transfer available drive letter. (D,F,E…)
memory, bypassing the CPU
Driver
Domain A small piece of software containing unique information on
Is a singular collection of computer all connected to a each individual device (internal or external). When a de-
common server. Domains are usually found in large or- vice is needed the operating system calls (Activates) the
ganisations or business environments and can consist of driver and the driver drives the device.
just a few computers to dozens. Although Domains can
be connected to the internet, they’re usually private DVD
and access to them restricted.
(Digital Versatile Disk.) Looks and behave exactly like a CD
Domain Name but can hold a great deal more data. A CD can hold Mega-
The Doman name is the part of the internet address (URL) bytes of data whereas a DVD can hold Gigabytes of Data.
containing the name. For instance; in the address, www.
DVD-R
noplace.com, the Domain name is ‘noplace.com’. In an (Digital Versatile Disk — Recordable.) A DVD-R can only be
email address, winuser@everyplace.com, the Domain
name is ‘everyplace.com’. A Domain contains a name, written to once. The data is permanently stored on the disc
and can be read as many times as needed. It cannot be
“noplace” or “everyplace” and is always followed by the
Domain, com, net or co.uk. erased.
DVD-ROM
DOS: (Disk Operating System) (Digital Versatile Disk — Read Only Memory.) Comes with
The first version developed for IBM was known as PC DOS
data already stored on it. Usually Disks bought over the
followed by Microsoft’ MS DOS. The DOS operating system internet or from a local store containing films or games. A
is not viewed as user friendly. The screen is usually all
DVD-R once written too becomes a DVD-ROM
black with only a small white cursor as the insertion point.
The user must type in commands. For the system to work DVD-RW
effectively the user must know the commands, usually by (Digital Versatile Disk — Rewritable) Can be used multiple
memorizing them, and have a clear understanding of the times. You can write data to it and delete data from it as
commands function. many time as you like.
The use of both PC DOS and MS DOS have remained rel-
atively unchanged since their conception. However, oth-
er versions of DOS are available ELAM (Early Launch Antimalware)
‘ELAM’ is the first antimalware to launch at boot-up. It
Download checks all drivers and Third party software, preventing any
Download is commonly understood to mean getting and spoof or unsigned software from loading. Due to this, users
downloading some sort of, updates, driver or software may notice high disk and processor activity, during boot-
up. This ‘Antimalware’ can be replaced by Third Party soft-
from the internet onto you computer. However, down-
loading starts the minute you connect to the internet. Eve- ware.
ry web page you see on your browser has to be download- Emoticons
ed. Every e-mail you receive has to be downloaded. Every-
thing you experience on the internet has to be download- Small symbols (sometimes referred to as 'smilies') which
can be typed on a computers’ keyboard. Access the full list
ed.. Without the ability to download, the internet, would
sadly, just disappear. with the keystrokes, ‘Key Win + period key.
For example, :-) is a 'happy' emoticon, which you can
clearly see represents a happy face if you turn your head
Drive ( or Optical drive)
90 degrees anti-clockwise. Emoticons are often used in
A Drive is a hardware device capable of reading and email messages and chat room conversations.
writing too Cd’s and DVD disks. ‘Disk’ and ‘Drive’ are often
used to mean the same thing;
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