MCQs

Test your knowledge with our comprehensive collection of multiple choice questions. Select your answer and get instant feedback with detailed explanations.

Showing 121-140 of 637 MCQs
# Medium Computer COMPUTER

The earliest calculating device is:

# Medium Computer COMPUTER

People to whom a copy of the email will be delivered but they are notified will all the addresses the message is sent to is called:

# Medium Computer COMPUTER

Which of these is a non-profit domain?

# Medium Computer COMPUTER

_________ rollback requires the system to maintain additional information about the state of all the running transactions.

# Medium Computer COMPUTER

Which join refers from the write table that have no matching key in the left table are included in the result set?

# Medium Computer COMPUTER

________ normal form removes transitive dependency.

# Medium Computer COMPUTER

In a table composite key consists of _______ attribute (s).

# Medium Computer COMPUTER

Computer performs five basic operations which are input, _________________, output, storage and control.

# Medium Computer COMPUTER

Computer performs five basic operations which are input, _________________, output, storage and control.

# Medium Computer COMPUTER

Computer performs five basic operations which are input, _________________, output, storage and control.