Options: a. for relatively permanent collections of data
b. for the size of the structure and the data in the structure are constantly changing
c. for both of above situation
d. for none of above situation
4.Statement A : In memory management, the replacement policy deals with the selection of pages in memory to be replaced by arrived new page. Statement B: In memory management, the policy the fetch policy determines when a page should be bought into main memory.
Options: (A)A and B both false (B) A and B both true (C) A is true, B is false (D) A is false, B is true | 71 10
Options: (A)Involves only those tasks executing a communication operation (B) It exists between program statements when the order of statement execution affects the results of the program. (C) It refers to the practice of distributing work among tasks so that all tasks are kept busy all of the time. It can be considered as minimization of task idle time. (D) None of these 3
Options: Borders button in the Edit group on the Insert ribbon,Borders button in the Insert group on the Home ribbon,Borders button in the Format group on the Insert ribbon, Borders button in the Paragraph group on the Home ribbon
Olympic emblem is composed of five intertwined rings, each of a different colour, representing the five continents of the world as
Options: Blue ring - Europe; Yellow ring - Asia; Black ring - Africa; Red ring- America; Green ring - Oceania, Blue ring - Asia; Yellow ring - Europe; Black ring - Oceania; Red ring- Africa; Green ring - America, Blue ring - Europe; Yellow ring - Asia; Black ring - Africa; Red ring- Oceania; Green ring - America, Blue ring - Asia; Yellow ring - Europe; Black ring - Africa; Red ring- America; Green ring - Oceania
There are certain packages that allow people to define data items, place these items in particular records, combine the records into designated files and then manipulate and retrieve the stored data. What are they called?
Options: Data storage system, Database management system (DBMS), Batch processing system, Data communication package
4.Examples of centralized multi-user databases are
Options: (A)Barclaysâ€™ Bank customer accounts (B) Supermarket stock control, organ donor database, client database (C) Airline reservations and other national global booking systems (D) None of above 5