Answer:
Hi
In the first scenario we have
S = []
then:
S=[1],
S=[2,1]
S=[3,2,1]
S=[2,1]
S=[4,2,1]
S=[2,1]
S=[1]
So when it's call the method peek to S, X will be assigned 1
Explanation:
Stack is a linear data structure which follows a particular order in which the operations are performed. The order may be LIFO(Last In First Out). There are many real-life examples of a stack. Consider an example of plates stacked over one another in the canteen. (Taken from wikipedia)
- The method <em>push</em> is to put the element on the top of the stack
- The method <em>pop</em> is take out the top element of the stack
- The method <em>peek</em> is to see what is the top element of the stack
Explanation:
These are the advantages of breaking up a single logical message into a number of fixed sized packets.
- When messages are broken into packets it increases the performance and also the reliability of the internet
- if there is an error in a single packet, this error is not going to affect the entire message.
- the efficiency of the communication line in the internet is improved.
- there is a reduction of traffic. Each packet in a single message can be transmitted through different routes.
- It reduces idleness as each packet can send from different program so each program has a service.
Answer:
A relationship in Access helps you combine data from two different tables. Each relationship consists of fields in two tables with corresponding data. For example, you might have a ProductID field in a Products table and in an OrderDetails table.
Explanation: