Answer:
An operating system is a software that helps the any computers basic needs or functions. For example, the windows on a computer is a operating system.
Explanation:
Answer:
Earthquake
Explanation:
Around 3 million people were affected by this disaster and it was the most devastating natural disaster ever experienced in Haiti. Roughly 250,000 lives were lost and 300,000 people were injured.
Answer:
B.
Explanation:
A. is not the correct answer because that is called a LAN cable (ethernet)
C. is not correct because it has nothing to do with text messages or printing
D. is called a Bus, and isn't the right answer either
Answer:
D
Explanation:
Search engine optimization (SEO)
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.
