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Resource for Quiz6
Study guide for quiz #6
Question | Answer |
---|---|
9. What is the term used to describe the gradual merger of computing and communications into a new information environment: digital computation or digital congruence or digital convergence or digital merger? | digital convergence |
What type of signals use wave variations? | analog |
What is the term given to describe a cyber villain who breaks into computers to steal or destroy information and/or to use it for illegal profit? | black hat hacker |
What is the type of e-mail bomb that is tied to when a specific event occurs? | logic bomb |
Computers use what type of signals? | digital |
Traditional TV and radio use what type of signals? | analog |
Fill-in-the-blank: The term that is the abbreviation for modulate and demodulate is... | modem |
True or false: For data transmission over telephone lines and cables, modems are required to convert analog data. | true |
True or false: Modems cannot convert data by modulating either a analog wave’s amplitude or its frequency. | false |
The term that describes the process of converting reality to digital form is known as what? | sampling |
True or false: To burn a CD, the digital recording equipment must convert from digital to analog? | false |
What is the term that describes a system of interconnected computers, telephones, and/or other communications devices? | network |
True or false: challenges associated with networks include cost, security, and dependency on main file servers? | true |
What type of communications network covers a large geographic area, such as a country or the world? | wide area network |
What type of communications network covers a city or a suburb? | metropolitan area network |
What type of communications network connects computers and devices in a limited geographic area, such as an office or a building? | local area network |
What type of communications network uses wired, cable, or wireless connections to link a household’s digital devices? | home area network |
What type of communications network uses short-range wireless technology to connect an individual’s personal devices? | personal area network |
What type of communications network relies on inexpensive, very short-range, low-power wireless technology to link switches and sensors? | home automation network |
Which network structure describes computers that request data, and computers that supply data? | client server |
Which network structure describes all computers on the network that are “equal”? | peer to peer |
What term describes the technology that has the infrastructure and standards of the Internet and the web, but for an organization’s internal use only? | intranet |
What term describes the technology that allows use by selected outside entities, such as suppliers? | extranet |
What term describes the technology that uses a public network (usually the Internet) plus intranets and extranets on a private basis? | virtal private network |
What type of computer controls a network? | host |
What term describes any device attached to the network? | node |
What term describes fixed-length blocks of data for transmission, reassembled after transmission? | packets |
What term describes a set of conventions, or rules, governing the exchange of data between hardware and/or software? | protocols |
What network topology describes when messages are sent to the destination taking any possible shortest, easiest route to reach its destination? | mesh |
What network topology describes all nodes being connected through a central host? | star |
What network topology describes all nodes that are connected in a continuous loop? | ring |
What network topology describes all nodes that are connected to a single wire or cable? | bus |
What is the term that describes a full duplex device that connects computers to a network? | switch |
What is the term that describes an interface device that connects same type of networks? | bridge |
What is the term that describes an interface device that connects dissimilar networks? | gateway |
What is the term that describes a device that directs messages among several networks, wired or and/or wireless? | router |
What is the term that describes the main Internet highway that connects all networks in an organization? | backbone |
What is the name of the device that is inserted in a slot on the motherboard, to enable a computer to operate as part of a network? | network interface card |
What is the name of the the system software that manages network activity? | network operating system |
In MS Access, what term describes a complete set of related data about one entity or activity? | record |
In MS Access, what term describes the major database object that stores all data in a subject-based? | table |
In MS Access, what term describes smallest storage element that contains an individual data element within a record? | field |