Write a count controlled loop to read in two columns of 30 numbers each Calculate the avg of each column.
computer science
Description
Exam 2 class review
1) Write a count controlled loop to read in two columns of 30 numbers each Calculate the avg of each column.
2) Write for loop(s) to calculate and output x2+3xy+y1/2 for
all values of x from 1 to 10 and y from 1 to 5
3) Read in (numbers are representative, comma
delimited)
1.124cm,22.25m
4)Read in a number, string, number from a data
file. The field width is 15
5) Write a for loop to read in 100 data points and calculate the minimum
6) Write a selection
structure to assign a department name given a department number. <1000 Hardware, 1000-1999 Books, 2000-2999 Toys, >3000 Misc
7) Write a switch statement that converts number on a
phone to a letter
8) Write a do while loop that reads in three columns
of data a negative in the first column means stop (sentinel) second column (a)
and third column (b). Calculate the number of a’s less than 500 and the number
of b’s greater than 500
9) Write a while loop to read in two columns of words
(field width 10) print out the words where the two columns match.
10) Write a loop to output a comma delimited file with the following columns
Id’s (10001-10025)
Grade (Random int 0-100)
Average (Random float 0-100)
11) Write a selection structure to print error based
on error number
101:
Invalid input
102:
Can’t connect to device
103:
File not Found
104:
Other
Methods
1)
Do
#11 with method
2)
Write a method to return the maximum of
three numbers
Practice Lab Quiz
Ask user for salesman id (1-10)
Read in file StateSales.txt
Output data for selected saleman and total sales for that salesman
(salesman#7 shown below)
