Computer Science Questions and Answers
Challenge your competence level in computers, computing, algorithms, hardware and software with these Computer science questions and answers.
Challenge your competence level in computers, computing, algorithms, hardware and software with these Computer science questions and answers.
The logic gate in the figure above is
XNOR gate
NOT gate
XOR gate
OR gate
Correct answer is C
It's an XOR gate
denoted by Z = A ⊕ B.
A set of moral principles that regulate the use of computers is called
cyber security guidelines
computer ethics
computer safety laws
computer rules
Correct answer is B
Computer ethics is the term used to describe a set of moral principles that regulate the use of computers. It involves questions related to privacy, accuracy, property, and access
supercomputer
micro computers
laptops
mainframe computer
Correct answer is A
Supercomputers are designed to perform complex calculations extremely rapidly. They are the fastest and most powerful type of computer, often used for large-scale simulations, such as weather forecasting, climate research, molecular modeling, and physical simulations
When records are given a new value, it is called
updation
insertion
deletion
retrieval
Correct answer is A
When records are given a new value, it is called 'updation'. This is a process in database management where an existing record is modified with new data. 'Insertion' is adding a new record, 'deletion' is removing a record, and 'retrieval' is fetching data from the database