Scalar Values are single numbers or values, which may include integers, floating-point decimals, or strings of characters.
A(n) array is a group of scalar or individual values that are stored in one entity.
A(n) user-defined type is a data type that is assigned a true or false value by a programmer.
A(n) abstract data type is a data type that can be assigned multiple values.
Answer:
A.O(1)
Explanation:
In the implementation of queue by using linked chain the performance of the enqueue operation is O(1).We have to maintain two pointers one head and the other tailand for enqueue operation we have to insert element to the next of the tail and then make that element tail.Which takes O(1) time.
Answer:
You should install a personal firewall, a program that protects your computer from unauthorized access by blocking certain types of communications.
Explanation:
In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.
