Computer Quiz

Ques.1. URL stands for……..

(A) Universal Research List

(B) Universal Resource List

(C) Uniform Resource Locator

(D) Uniform Research Locator

(E) None of these

Uniform Resource Locator

Ques.2. A database management system (D)BMS) is a. ………..

(A) hardware system used to create , maintain and provide controlled access to a database

(B) hardware system used to create, maintain, and provide uncontrolled access to a

database.

(C) software system used to create, maintain, and provide uncontrolled access to a

database.

(D) software system used to create, maintain, and provide controlled access to a database.

(E) None of these

Software system used to create, maintan, and provide controlled access to a database

Ques.3. A_________ contains specific rules and words that express the logical steps of an algorithm.

(A) programming language

(B) syntax

(C) programming structure

(D) logic chart

(E) None of these

Logic Chart

Ques.4.  A Proxy server is used for which of the following?

(A) To provide security against unauthorized users

(B) To process client requests for web pages

(C) To process client requests for database access

(D) To provide TCP/IP

(E) None of these

To process client requests for web pages

Ques.5. When data changes in multiple lists and all lists are not updated, this causes:

(A) data redundancy

(B) information overload

(C) duplicate data

(D) data inconsistency

(E) None of these

Data inconsistency

quot;Arial","sans-serif"; font-size: 10.0pt; line-height: 115%;">Ques.6._____________ are words that a programming language has set aside for its own use.

(A) Control worlds

(B) Reserved words

(C) Control structures

(D) Reserved keys

(E) None of these

Reserved words

Ques.7. What is the primary difference between a virus and a worm?

(A) A worm has the ability to self-propagate from an infected user’s computer to other computers

(B) A worm is usually written by a cracker: Script bunnies do not have the skills to develop a worm program

(C) A virus is very harmful to the computers it infects : a worm is not a serious a problem

(D) Anti-virus software is effective in fighting viruses but not worms

(E) None of these

A worm has the ability to self-propagate from an infected user’s computer to other computers

Ques.8.______ describe what is database fields.

(A) Structures

(B) Field markers

(C) Field definition

(D) Field names

(E) None of these

Field Names

Ques.9. You must install a (n)____________ on a network if you want to share a broadband Internet connection.

(A) router

(B) modem

(C) node

(D) cable

(E) None of these

Router

Ques.10. A goal of normalization is to__________

(A) minimize the number of relationships

(B) minimize the number of entities

(C) minimize the number of tables

(D) minimize the number of redundancy

(E) None of these

Minimize the number of redundancy

Ques.11. Granting an outside organization access to internet web pages is often implemented using a (n)____

(A) extranet

(B) intranet

(C) internet

(D) hacker

(E) None of these

Extranet

Ques.12. Which term identifies a specific computer on the web and the main page of the entire site ?

(A) URL

(B) Web site address

(C) Hyperlink

(D) Domain name

(E) None of these

URL

Ques.13. The code that relational database management systems use to perform their database task is referred to as…..

(A) QBE

(B) SQL

(C) OLAP

(D) Sequel Server

(E) None of these

SQL

Ques.14. Chip is a common nickname for a (n):

(A) tristor

(B) resistor

(C) integrated circuit

(D) semiconductor

(E) None of these

Integrated Circuits

Ques.15. The purpose of the primary key in a database is to:

(A) unlock the database

(B) provide a map of the data

(C) uniquely identify a record

(D) establish constraints on database operations.

(E) None of these

Provide a map of the data