Explanation

The UNIVAC was the first commercial computer delivered to a business client, the U.S. Census Bureau in 1951.

Explanation

In database design, a composite key is a candidate key that consists of two or more attributes (table columns) that together uniquely identify an entity occurrence (table row).

A compound key is a composite key for which each attribute that makes up the key is a simple (foreign) key in its own right.

Explanation

A choke packet is a packet sent by a node to the source to inform it of congestion.

Explanation

Switches to another user account on the computer without closing your open programs and Windows processes.

Explanation

 A "virus" is a small computer program that interferes with the normal working of a computer. 

Explanation

An architect creates blueprints for building designs, just as a programmer creates algorithms to develop software.

Explanation

A Binary Heap is the most efficient data structure for implementing a priority queue.

It allows both insertion and extraction of the highest (or lowest) priority element in O(log N) time, which makes it ideal for this purpose.

Explanation

Linear search runs in linear time and makes a maximum of n comparisons, where n is the length of the list.

Hence, the computational complexity for linear search is O(N).

Explanation

Computer is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

Explanation