Author Topic: ~ Computer Word Of The Week ~  (Read 44362 times)

Offline MysteRy

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Re: ~ Computer Word Of The Week ~
« Reply #45 on: March 24, 2014, 08:06:18 AM »
CSMA/CD

Short for Carrier Sense Multiple Access/Collision Detection, CSMA/CD is a Media Access Control (MAC) protocol that defines how network devices respond when two devices attempt to use a data channel simultaneously and encounter a data collision. The CSMA/CD rules define how long the device should wait if a collision occurs. The medium is often used by multiple data nodes, so each data node receives transmissions from each of the other nodes on the medium.

There are several CSMA access modes: 1-persistent, P-persistent and O-persistent. 1-persistent is used in CSMA/CD systems, like Ethernet. This mode waits for the medium to be idle, then transmits data. P-persistent is used in CSMA/CA systems, like Wi-Fi. This mode waits for the medium to be idle, then transmits data with a probability p. If the data node does not transmit the data (a probability of 1 - p), the sender waits for the medium to be idle again and transmit the data with the same probability p. O-persistent is used by CobraNet, LonWorks, and the controller area network. This mode assigns a transmission order to each data node. When the medium becomes idle, the data node next in line is able to transmit data. The data node next in line waits for the medium to be idle again and then transmits its data. After each data node transmits data, the transmission order is updated to reflect what data nodes have already transmitted, moving each data node through the queue.

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Re: ~ Computer Word Of The Week ~
« Reply #46 on: March 31, 2014, 07:28:19 AM »
Removable disk

Alternatively referred to as removable storage and removable media, a removable disk is a media that enables a user to move data between computers without having to open their computer. Below is a listing of the removable disks you're likely to use with your computer.

Floppy diskettes
CD disc, DVD disc, Blu-ray disc
Tape drive cartridges
Thumb drives

Although hard drives that connect to a computers USB port do allow you to move data between computers without opening the computer these drives are referred to as an external drive and not a removable disk drive.

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Re: ~ Computer Word Of The Week ~
« Reply #47 on: April 07, 2014, 07:01:55 AM »
Slant

1. Slant is another way of describing the forward slash ( / ) or backward slash ( \ ).

2. A slant is a term sometimes used to describe italic text.

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Re: ~ Computer Word Of The Week ~
« Reply #48 on: April 14, 2014, 09:35:22 AM »
Battery



A battery is a hardware component that supplies power to a device, enabling that device to work without a power cord. Batteries are often capable of powering a laptop computer for several hours depending on how much power it requires. Today, many high-end devices such as computer laptops and cell phones use rechargeable batteries that allow a user to recharge the battery once depleted of energy. In the picture above, is an example of what a laptop battery may look like when removed from the laptop.

There are three computer batteries types used with computers.

First, is the backup battery, which is commonly referred to as the CMOS battery. This battery is what holds your computer's settings, such as the time and date. This allows the computer to remember basic computer settings and the time and date without having to entering those settings each time the computer starts.

Next, the bridge battery is only found in portable computers as a temporary backup for the main battery. This allows the user to remove the main battery and replace it with a good battery without having to turn off the computer.

Finally, the main battery as explained in the first paragraph is also only used with portable computers as an alternate source of energy for when the computer is not connected to a standard wall outlet.
Battery technologies

There are different battery technologies that allow a battery to work. Below is a listing of some of the major types you're most likely to encounter.

1.LI-ION (Lithium Ion)
2. Li-polymer (Lithium Polymer)
3.NICAD (Nickel-Cadmium)
4. NIMH (Nickel-Metal Hydride)

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Re: ~ Computer Word Of The Week ~
« Reply #49 on: April 21, 2014, 07:20:51 AM »


Booklet

1. Known as the Nokia Booklet, this small mini-laptop released by Nokia that shares a lot of similarities as a netbook and has a 10.1 inch display, 3G, Intel Atom processor, and camera.

2. A Booklet also describes the small paper pamphlet that is included with a DVD.

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Re: ~ Computer Word Of The Week ~
« Reply #50 on: April 28, 2014, 08:27:00 AM »


Joystick

An input device that looks similar to a control device you would find on an arcade game at your local arcades. A joystick allows an individual to move an object in a game such as navigating a plane in a flight simulator. The picture shows the Logitech Freedom 2.4 joystick and an example of what a Joystick may look like.

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Re: ~ Computer Word Of The Week ~
« Reply #51 on: May 13, 2014, 07:30:24 AM »
PAE

Short for Physical Address Extensions, PAE is an extension that enables Intel compatible computers running32-bit versions of Microsoft Windows 2000, XP, and 2003 applications to address more than 4 GB of physical memory.

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Re: ~ Computer Word Of The Week ~
« Reply #52 on: May 19, 2014, 09:00:59 AM »


ZIF socket

Short for Zero Insertion Force socket, the ZIF socket was designed by Intel and includes a small lever to insert and remove the computer processor. Using the lever allows a user to add and remove a computer processor without any tools. All processor sockets from the Socket 2 and higher have been a ZIF socket design. The picture shows an Intel OverDrive socket and an example of what a ZIF socket may look like.

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Re: ~ Computer Word Of The Week ~
« Reply #53 on: May 26, 2014, 09:14:53 AM »
NTFS

Short for New Technology File System, NTFS is a file organizational system that stores and accesses information located on Microsoft Windows NT, Windows 2000, Windows XP operating system. NTFS offers better methods of data protection and file recovery than previous versions of FAT.

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Re: ~ Computer Word Of The Week ~
« Reply #54 on: June 03, 2014, 08:45:38 AM »
Data center



A data center is a generic term to describe a facility used to store computers, servers, and other networking equipment in a single location. The picture is an example of a data center, this picture is of IBM's 115,000-square-feet "greenest" Data Center in Boulder Colorado introduced to the public on Jun 17, 2008.

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Re: ~ Computer Word Of The Week ~
« Reply #55 on: June 09, 2014, 09:16:04 AM »
Core

1. When referring to processors, the Intel Core, codenamed Yonah, is the successor to the Intel Pentium M and first introduced on January 5, 2006. The Intel Core is the computer processor used with laptop computers.



2. Memory used before RAM as we know it today. The picture is an example of a memory core used in the Atlas 1 computer that was 12-centimeters square and contained 64 cores, courtesy of Rutherford Appleton Laboratory.

3. Short for Core Dump, a core is used to describe when a computer, computer device, network device, or other related product errors and is unable to display a proper error message. When this issue occurs, a large listing of data is shown to help identify the cause of the issue or what was running when the problem happened.

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Re: ~ Computer Word Of The Week ~
« Reply #56 on: June 16, 2014, 07:23:35 AM »
VLSI

Short for Very-Large Scale Integration, VLSI is an integrated circuit design that contains 5,000 to 50,000 components on a single chip.

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Re: ~ Computer Word Of The Week ~
« Reply #57 on: June 24, 2014, 09:19:30 AM »


E-waste

Short for electronic waste, e-waste is a term used to describe electronic equipment such as monitors, computers, cell phones, etc. that is thrown away or otherwise disposed of without any consideration of donating or recycling.

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Re: ~ Computer Word Of The Week ~
« Reply #58 on: June 30, 2014, 09:36:23 AM »
Winsock

Short for Windows socket, winsock was released on January 1993 and is based on the Berkeley Sockets APIs version 4.3. Winsock is an interface that allows communication between TCP/IP and Windows. Trumpet Winsock, written by Peter Tattam, was a popular winsock included or downloaded by various users to connect to the Internet. This software was most popular with users using Windows 3.x. However, with the release of Microsoft Windows 95, the dll winsock.dll was most commonly used for the Windows socket.

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Re: ~ Computer Word Of The Week ~
« Reply #59 on: July 07, 2014, 07:08:27 PM »
RXD

Short for Received eXchange Data, RXD is the line that transmits received data from one source to another, for example, data transmitted from a modem to a computer.