A ____ loop is very convenient for cycling through array elements.

A. while
B. do-while
C. switch
D. for


Answer: D

Computer Science & Information Technology

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What is wrong with this function?

```int Modulus( int x, int y ) { int z; z = x % y; }``` A. Modulus is a keyword in C++, the function can’t be named that. B. There is no returned value. C. There is nothing wrong with it. D. The function doesn’t use the passed variables.

Computer Science & Information Technology

Computing power is considered a hardware limitation

Indicate whether the statement is true or false

Computer Science & Information Technology

Which of the following statements is false?

a) Lambda expressions allow you to define simple, anonymous methods. b) A lambda’s return type is listed to the left of the lambda. c) A delegate can hold a reference to a lambda expression that has a signature that’s compatible with the delegate type. d) A lambda expression is called via a variable that references it.

Computer Science & Information Technology

Consider the following relational schema:

Supplier(Name,Part)
Project(Name,Part)
A tuple, n,p, in the ?rst relation means that supplier n has part p. A tuple n,p in the second relation means that the project named n uses part p. Write the following query in tuple and domain relational calculi: Find the names of suppliers who have a part, that is used by every project .

Computer Science & Information Technology