A utility used to reduce the number of fragmented files and improve access speed?

The cost price of item B is Rs. 150/- more than the cost price of item A. Item A was sold at a profit of 10% and item B was sold at a loss of 20%. If the respective ratio of selling prices of items A and B is 11 : 12, what is the cost price of item B?

Which of the following is a valid type of network topology

Which of the following is used in information security to prove the identity of the sender?

What is Big Data?

You can also charge your phone, tablet or other device wirelessly without having to physically plug it into the charging pad commonly known as:

……… is a service model in which data is maintained, managed and backed up remotely and made available to users through a network.

DNS  service ……. translates into related.