It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Options: work done in rolling is more than in lifting, work done in lifting the stone is equal to rolling it, work done in both is same but the rate of doing work is less in rolling, work done in rolling a stone is less than in lifting it
Options: Indexes are created to enforce uniqueness on columns., Indexes are created to enable fast retrieval by column values., Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes., Indexes are created with the ALTER TABLE command.
Options: (A)These are the files which are generated automatically in when one saves a document. (B) These files help in protecting the document due to out of order of the computer or power failure. (C) These files delete as soon as computer is turned off (D) None of these 13
Options: (A)A family of relational database management systems marketed by IBM (B) Interactive systems that enable decision makers to use databases and models on a computer in order to solve illstructured problems (C) It consists of nodes and branches starting from a single root node. Each node represents a test, or decision. (D) None of these 3
Which of the following would be good reasons to run NAT? You need to connect to the Internet and your hosts don't have globally unique IP addresses. You change to a new ISP that requires you to renumber your network. You don't want any hosts connecting to the Internet. You require two intranets with duplicate addresses to merge.
Options: 1, 2 and 4, 2 and 4, 3 only, All of the above
5.In multi processor scheduling, independent parallelism indicates
Options: (A)There is synchronization among processes at gross level. (B) There is no explicit synchronization among processes. (C) A parallel processing or multi tasking is done within a single application. (D) None of these. 12
Options: (A)General class of approaches to a problem. (B) Performing several computations simultaneously. (C) Structures in a database those are statistically relevant. (D) Simple forerunner of modern neural networks, without hidden layers. | 123 8