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Wednesday, February 1, 2012

IT Quiz - 7

1. Which of the following best describes an RDBMS?
[A]A database with an index on every field
[B]A database with an object-oriented structure
[C]A database where related fields are kept separately, but can be used together
[D]A database designed for high-speed transaction processing



2. What is the term for a set of rules which computers must follow when communicating?
[A]Protocol
[B]Packet
[C]Frame
[D]Interface



3. Which of the following information systems gives top management immediate and easy access to selective information related to the firm’s critical success factors?
[A]Transaction Processing System
[B]Management Information System
[C]Decision Support System
[D]Executive Information System



4. Which of the following functions enables the computer to execute more than one task in a single program?
[A]Cooperative Multitasking
[B]Preemptive Multitasking
[C]Multithreading
[D]Multiprocessing



5. Which of these is an example of an object-oriented programming language?
[A]C
[B]C++
[C]Ada
[D]Fortran



6. Which of these is not usually a characteristic of the "Physical Layer" of a network?
[A]Lack of high-level knowledge of data
[B]Routing capability
[C]Minimal error correction
[D]Physical communication



7. Which of the following is a concentrator that forms the center of a star-configured hierarchical wiring scheme?
[A]Router
[B]Repeater
[C]Redirector
[D]Hub



8. Which of the following refers to a small amount of extra high-speed memory that stores frequently used data?
[A]Cache
[B]FAT
[C]ROM
[D]DRAM



9. Which of these connection types best describes the Internet?
[A]Frame switching
[B]Packet switching
[C]Call circuit
[D]Switched circuit



10. A purchase indent is an example of which of the following types of reports?
[A]Information Document
[B]Turnaround Document
[C]Action Document
[D]Transaction Log



11. In which of the following operations, OLAP (Online Analytical Processing) moves in the reverse direction and automatically displays detailed data that comprise consolidated information?
[A]Consolidation
[B]Drill down
[C]Slicing and dicing
[D]Abstraction



12. Which of the following controls are developed to identify errors in arithmetic calculations and logical operations?
[A]Input controls
[B]Output controls
[C]Processing controls
[D]Procedural controls



13. In which of the following levels of data abstraction, each record is described by a type definition and the interrelationship among these record types is defined?
[A]Physical
[B]Data link
[C]Session
[D]Logical



14. What is the term used when multiple frequencies are combined in a single physical transport?
[A]Multitasking
[B]Multiplexing
[C]Multiprocessing
[D]Circuit switching



15. Which of the following databases must support the ability to retrieve documents based on links, and to query documents based on their structure?
[A]Computer-Aided Design (CAD)
[B]Computer-Aided Software Engineering (CASE)
[C]Multimedia
[D]Hypertext Database



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