Test Review

The difference between analog and digital: An electronic signal that is sent as binary digits of either ON or OFF. In the illustration to the right, is a digital signal that is up or down for either ON or OFF, unlike an analog signal that is more like a wave. This example also illustrates a digital picture where a pixel is turned either ON or OFF helping to create an image on a display. Analog allows equipment to handle information that continuously changes such as voltage, current, and wave.

Random Access Memory (RAM) -Alternatively referred to as main memory, primary memory, or system memory, Random Access Memory (RAM) is a computer storage location that allows information to be stored and accessed quickly from random locations within DRAM on a Memory module

Read-Only Memory (ROM) -Short for Read-Only Memory, ROM is a type of "built-in" memory that is capable of holding data and having that data read from the chip, but not written to.

World Wide Web – is a graphical interface for the internet that was first introduced to the public on August 6, 1991 by Tim Berners-Lee.  the world wide web provides a rich medium and helps brings all people together.

Data (computer) – Data could mean large quantities of standard information used for reference. For example, the information you're reading now is considered data. On a computer is stored in binary or a series of 0's and 1's.

Program - provide (a computer or other machine) with coded instructions for the automatic performance of a particular task.

 Hypertext – A simple method of organizing and accessing text and other data through the use of hyperlinks.

Hardware –  is best described as a device that is physically connected to your computer or something that can be physically touched.

Software –is a collection of instructions that enable a user to interact with the computer or have the computer perform specific tasks for them 

Title (resource) – The name by which the resource is formally known.

Creator (resource) – The person, organization or service who made the content of the resource, for instance, the writer of an article or the photographer who took a picture.

Subject (resource) - One of the topics of the resource. It is usual to choose keywords from an accepted classification scheme as the subject.

Publisher (resource) -The publisher is “responsible for making the resource available”. This might be a commercial publisher, an academic institution or an individual.

Contributor (webpage) – A person or organization that has contributed to the content

Format (resource) - a type of media of the resource.

MP3 – A file extension and compression method utilizing the MPEG compression standard to reduce the size of a file often down by a factor of 12 and still have a CD-like quality. MP3 files are commonly used to store a song or complete CD and require very little hard drive space when compared to other files.

Cyberbully - "involves the use of information and communication technologies to support deliberate, repeated, and hostile behavior by an individual or group, that is intended to harm others."

Database - is a large quantity of information that can be searched, referenced, compared, changed or otherwise manipulated without a lot of work. 

Desktop - is a system of organization of icons on a screen.

E-mail - messages distributed by electronic means from one computer user to one or more recipients via a network

Home page - is the name of the main page of a website where visitors can find hyperlinks to other pages in the site

Keyword -is a word or group of words that help the search locate a better match for their search.

Password - is a set of secret characters or words utilized to gain access to a computer, web page, network resource, or data

Paste - is an operating systems and programs action that allows a user to copy or cut an object or text from one location and move it into another location

Search Engines - A software program or script available through the internet that searches documents and files for keywords and returns the results of any files containing those keywords

URL Address -  is a standardized naming convention for addressing documents accessible over the Internet 

User name - is a name given to a user on a computer or computer network

File format –is the structure of a file that is best viewed with the program it was designed for

Hacker -an individual who had an advanced understanding of computers, networking, programming, or hardware or which describes any individual who illegally breaks into computer systems to damage or steal information

Keyboard - allow a computer user to input letters, numbers, and other symbols into a computer and is what allows you to write e-mail and is what you used to visit this web page

Retrieve (document)- A term used to describe the process of searching for, locating and returning data