PSEUDOCODE

Question 1

How to open & close a file

Answer 1

OPENFILE “filname.txt” FOR WRITE/READ/APPEND

CLOSFILE “Namefile.txt”

Question 2

How to write and read from a file

Answer 2

WRTIEFILE “Namefile.txt”, “What do you whant to write”
READFILE”Namefile.txt”, Variable_name

Question 3

How to declare constant

Answer 3

CONSTANT variablename = 60

Question 4

How to declare arrey

Answer 4

DECLARE Arreyname : ARRAY[1:60] OF STRING

Question 5

How to declare integer

Answer 5

DECLARE variablename : INTEGER

Question 6

Explain how a new elemment can be added to the queue if it is implemented using two stacks

Answer 6

Two stacks are required so the second stack can reverse the order of the first stack
stack 1 operates as the queue with the newest elemnts at the bottom. stack 2 is empty
To add an element, pop all the elements from stack 1 and push onto stack 2
Push the new elements onto either stack
Pop all the elements of stack 2 back onto stack 1