Basic Computer quiz

Q.1 If h is any hashing function and is used to hash n keys in to a table of size m, where n<=m, the expected number of collisions involving a particular key x is :
(A) less than 1. (B) less than n.
(C) less than m. (D) less than n/2.
Ans:A

Q.2 Let A be an adjacency matrix of a graph G. The th ij entry in the matrix K A , gives
(A) The number of paths of length K from vertex Vi to vertex Vj.
(B) Shortest path of K edges from vertex Vi to vertex Vj.
(C) Length of a Eulerian path from vertex Vi to vertex Vj.
(D) Length of a Hamiltonian cycle from vertex Vi to vertex Vj.
Ans:B

Computer Fundamental-IX

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1. Which of the following is a web browser?
a. Paint
b. Power point
c. Firefox
d. Word

2. Most of the commonly used personal computers/laptops do not have a command key known as-
a. Turnover
b. Shift
c. Alter
d. Delete

3. What is the full form of USB as used in computer related activities?
a. Universal security Block
b. Ultra serial block
c. United service block
d. Universal serial bus

Computer Fundamental-VI

1. What type of program controls the various computer parts and allows the user to interact with the computer?
a. Utility software
b. Operating system
c. Word processing software
d. Database program

2. What is the term for unsolicited email?
a. Spam
b. Usenet
c. Backbone
d. Flaming

3. What is backup?
a. Adding more components to your network
b. Protecting data by copying it from the original source to a different destination
c. Filtering old data from the new data
d. Accessing data on tape