所屬科目：【阿摩】未分類題庫
1. An information system (IS) is a set of interrelated components that perform which of the following? (A)collect data (B) manipulate and disseminate data(C)provide feedback mechanism(D) all of the above
( )2. The least expensive transmission medium is (A)coaxial cable. (B) Fiber-optic cable.(C)twisted-pair wire cable.(D) microwave transmission.
( )3. The device that allows several telecommunications signals to be transmitted over a single communications medium at the same time is called a (A)modem. (B) fax modem.(C)multiplexor.(D) PBX.
( )4. The communications technology that provides faster speeds (up to 500 Kbps) is _______________ technology. (A)dedicated line (B) digital subscriber line (DSL)(C)cable-modem(D) switched line
( )5. The most expensive type of telecommunications line/service is (A)ISDN. (B) DSL.(C)cable modem.(D) T1.
( )6. The set of rules for the exchange of data between computers is a(n) (A)protocol. (B) operating system.(C)management system.(D) none of the above.
( )7. The network considered to be the beginning of the Internet was (A)WWW. (B) Instinet.(C)ARPANET.(D) none of the above.
( )8. Decision support systems are designed to produce (A)lower costs (B) better products and services(C)higher profits(D) all of the above
9. The network that connects computers within the same building or plant is a(n) (A)international network. (B) host network.(C)local area network.(D) wide area network.
10. Which of the following is not at database model? (A)Hierarchical (B) Relational(C)spreadsheet(D) network
阿摩線上測驗
登入
阿摩線上測驗
登入