What is a "smart contract" in the context of blockchain?

Standard C library functions will always invoke a system call when executed from a single-threaded process in a UNIX/Linux operating system?

What is the purpose of using the Write-Ahead Logging (WAL) technique in database systems?

Which of the following is not an arithmetic operator?

Which property of a transaction ensures that it leaves the database in a consistent state, even in case of errors or failures?

Which of the following is a fundamental building block in the synthesis of sequential circuits?

Which backup strategy involves rotating backup media to ensure data redundancy and off-site storage?

What is the purpose of a voltage divider circuit?

Consider a B+-tree in which the maximum number of keys in a node is 5. What is the minimum number of keys in any non-root node? 

What is depth in deep learning?