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Browse complete papersWhich network topology is typically used in local area networks?
Bus topology
Star topology
Ring topology
Mesh topology
Correct answer
Bus topology
Which of the following is an example of electronic data interchange (EDI) ?
Sending an email
Typing in MS Word
Printing a document
Online order processing
Correct answer
Sending an email
Which of the following is a Boolean operator?
OR
Add
Subtract
Multiply
Correct answer
OR
What does the dequeue operation do in a queue?
Returns the number of elements present
Indicates whether the queue is empty or not
Removes the element at the front
Adds the element at the end
Correct answer
Returns the number of elements present
In a standard GAN architecture, how many neural networks are used?
Two
One
Three
Four
Correct answer
Two
What is the primary purpose of encryption in E-banking?
To allow easy access to bank accounts
To speed up transactions
To protect sensitive information from unauthorized access
To verify the identity of users
Correct answer
To allow easy access to bank accounts
Which relational operation primarily results in the removal of duplicate tuples from its output ?
Join
Intersection
Projection
Selection
Correct answer
Join
What is the purpose of a Karnaugh map (K-map) in Boolean algebra ?
To convert the Boolean expression to a truth table
To verify the correctness of a Boolean equation
To identify the variables of a Boolean function
To simplify Boolean expressions
Correct answer
To convert the Boolean expression to a truth table
Why is a Star topology preferred over a Bus topology in modern networks?
It is easier to set up
It allows for faster and more reliable connections
It reduces cable usage
It requires fewer network devices
Correct answer
It is easier to set up
In SQL, what is the difference between UNION and UNION ALL ?
UNION ALL removes duplicates, while UNION keeps duplicates
UNION is faster than UNION ALL
There is no difference
UNION removes duplicate rows, while UNION ALL keeps duplicate rows
Correct answer
UNION ALL removes duplicates, while UNION keeps duplicates