Review for Exam 1

Definitions - Review for exam 1

 

The difference between analog and digital:

 Random Access Memory (RAM) - the most common computer memory that can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
   
 Read-Only Memory (ROM) -

World Wide Web – an information system on the Internet that allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.

Data (computer) – quantities of standard information used for reference.

 

Program - a sequence of instructions, stored in any medium, that can be interpreted and executed by a computer.

Hypertext – a software system that links topics on the screen to related information and graphics, which are typically accessed by a point-and-click method.

 

Hardware – physical parts of a computer system.

Software – the programs and other operating information used by a computer.

Title (resource) – 

Creator (resource) – 

Subject (resource) -

Publisher (resource) -

Contributor (webpage) –

Format (resource) -

MP3 – a type of technology that allows a music or audio file to be compressed down into a very small amount of space while preserving the original level of sound quality when it is played.

Cyberbully - the use of technology to harass, threaten, embarrass or target another person.

Database - an organized collection of data.

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

E-mail -  text messages that may contain files, images, or other attachments sent through a network to a specified individual or group of individuals.

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

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

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

Paste - 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 -  used for addressing documents accessible over the Internet. (Uniform Resource Locator)

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

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

 

Hacker - any individual who illegally breaks into computer systems to damage or steal information.
 

Keyboard - one of the primary input devices used with a computer that allow a computer user to input letters, numbers, and other symbols into a computer.

  

Retrieve (document) - the process of searching for, locating and returning data.