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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?

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

5. Which of these is an example of an object-oriented programming language?

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?

8. Which of the following refers to a small amount of extra high-speed memory that stores frequently used data?

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?
[B]Drill down
[C]Slicing and dicing

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?
[B]Data link

14. What is the term used when multiple frequencies are combined in a single physical transport?
[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)
[D]Hypertext Database