CGS 2060 Exam 2 Chapter 7 ExpressCard modules can be used to add all of the following EXCEPT capabilities to a computer Printing The smallest unit of data a computer can process is a n Bit A overcomes the major disadvantage of CD R disks which is being able to write on them only once CD RW Users subscribe to a cloud storage service like the kind advertised in the accompanying figure to All of the above All of the following are competing rewritable DVD formats EXCEPT DVD R Common types of flash memory cards include All of the above Tape No longer is used as a primary method of storage but is used most often for long term storage and backup means you can write on one part of a disc at one time and another part at a later time Multisession A n is a type of optical disc that users can read from but not write to or erase DVD ROM devices are servers connected to a network with the sole purpose of providing storage NAS is the number of bytes characters a storage medium can hold Capacity is the process of dividing a disk into tracks and sectors so the operating system can store and locate data and information on the disk Formatting Chapter 8 Smart phones and other small computing devices often use a operating system Single User Single Tasking A n computer is a computer that continues to operate when one of its components fails ensuring that no data is lost fault tolerant software such as operating systems and utility programs consists of the programs that control or maintain the operations of a computer and its devices System A pop up is a filtering program that stops pop up ads from displaying on Web pages Blocker means the operating system automatically configures new devices as users install them Plug and play The area of the hard disk used for virtual memory is called a n file because it exchanges data information and instructions between memory and storage Swap The is firmware that contains a computer s startup instructions BIOS A single user single operating system allows only one user to run one program at a time Tasking A n is someone who tries to access a computer or network illegally Hacker In Windows the contains a list of programs that open automatically when users boot the computer Start up folder is the process of starting or restarting a computer Booting Two types of system software are Operating systems and utility programs Chapter 9 A is a wireless network that provides Internet connections to mobile computers and other devices Hot spot For smaller business and home networks a allows multiple computers to share a single high speed Internet connection such as through a cable modem or DSL modem Router A n network is a simple inexpensive network that typically connects fewer than 10 computers Peer to peer is a conversation that takes place over the Internet using a telephone connected to a computer mobile device or telephone adapter VoIP DSL Uses a modem that sends digital data and information from a a computer to a DSL line A wireless point is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network Access is a network standard that specifies no central computer or device on the network should control when data can be transmitted Ethernet allows users to share documents with others in real time An online meeting Microwave transmission often called involves sending signals from one microwave station to another Fixed wireless A is a collection of computers and devices connected together via communications devices and transmission media Network A communications is a transmission media on which data instructions or information travel Channel Developed by IEEE is a series of network standards that specifies how two wireless devices communicate over the air with each other 802 11 Chapter 10 In managing a company s database the database requires a technical inside view of data Administrator A n is a collection of data organized in a manner that allows access retrieval and use of that data Database The developer of a relational database refers to a record as a n Tuple A n or copy of the entire database should be made on a regular basis Back up In a relational database each row has a primary key and each column has a unique name A allows users to access and analyze any view of the database data Hypercube A major weakness of a lot of file processing systems is that they have redundant data and they isolate data Object oriented and object relational databases often use a query language called to manipulate and retrieve data OQL Occasionally a database can be damaged or destroyed because of All of the above A n stores data in objects OODB A data is a collection of related records stored on storage media such as a hard disk or optical disc File Because a data dictionary contains details about the data in a database some call it Metadata Chapter 11 which allows users to choose an encryption scheme that passes between a client and a server requires that both the client and server have digital certificates Secure HTTP S HTTP A n copies all of the files in a computer Full backup is a program placed on a computer without the user s knowledge Spyware A certificate is an authorized person or company that issues and verifies digital certificates Authority A UPS connects between a computer and a Power source A is a small text file that a Web server stores on a user s computer Cookie A computer risk is any event or action that could cause a loss of or damage to computer hardware software data information or processing capability Security A is a numeric password either assigned by a company or selected by a user Pin One approach to content filtering is through a rating system of which is similar to those used for movies and videos ICRA Software occurs when someone steals software media intentionally erases software programs or illegally copies a software program Theft Chapter 13 In object oriented OO design the concept of packaging data and procedures into a single object is called Encapsulation which is a programming language designed for business applications evolved out of a joint effort between the United States government businesses and major universities Cobol is a special formatting language that programmers use to format documents for display on the Web HTML is an object oriented language based on C and has been accepted as a standard for Web applications and XML based Web services C
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