WIZARD LEARNER

                                                            Types of DATA Structured data are facts concerning objects and events. The most important structured data are numeric, character, and dates. Structured data are stored in tabular form. Unstructured data are multimedia data such as documents, photographs, maps, images, sound, and video clips. Unstructured data are most commonly found on Web servers and Web-enabled databases. Database A database is a collection of data that is organised in such a way that it provides efficient retrieval of desired information. This collected data could be in any format like printed, audio, electronic and graphic. Consider an example of an address book, it is also a database that provides information of personal contacts of persons. DBMS A Database Mana...

1.  The term 'operating system'   means: a)  the way a computer operator   works. b)  conversion of high level languages into machine   code. c)  a set of programs which controls computer   working. d)  none of the   above. 2.  What is the name of the operating system that reads and reacts in terms of actual   time: a)   Batch   system b) Time sharing system c) Real   time   system d) all of the above. 3.  The primary job of the operating system of a computer is   to: a)   command   resources b) manage   resources c) be   user friendly d) only one of the   above. 4.  Multiprogramming   systems: a) are easier to develop than single programming systems. b) execute more jobs in same time period. c) are used only on large   mainframe   computers. d) all of the above 5.  Which of the following is not an a...