Questions
If two trees have same structure and node content, then they are called ____
Synonyms trees
Joint trees
Equivalent trees
Similar trees
A data item that can be used to distinguish between two entities (records) is known as
Alternate key
Primary key
Primary data item
Unique data item
A data structure whose elements form a sequence is known as
Heterogeneous data structure
Homogeneous data structure
Linear data structures
Non- linear data structure
Which of the following statements about a binary tree is not correct?
Every binary tree has at least one node
Every non-empty tree has exactly one root node
Every node has at most two children
Every non-root node has exactly one parent
Which of the following operating systems is produced by IBM ?
OS-2
Windows
DOS
UNIX
Features of HTML5 ?
It has introduced new multimedia features which supports audio and video controls by using audio and video tags. There are new graphics elements including vector graphics and tags. Enrich semantic content by including header footer,article,<section> and <figure> are added. Drag and Drop. The user can grab an object and drag it further dropping it on a new location. Geo-location service- it helps to locate the geographical location of a client. Web storage facility which provides web application methods to store data on web browser.
a. Uses SQL database to store data offline.
b. Allows to draw various shapes like triangle, rectangle, circle, etc.
c. Capable of handling incorrect syntax.
d. Easy DOCTYPE declaration
e. Easy character encoding