Computer Science Homework Help

1. Consider the following pseudocode.

i = 0
sum = 0
REPEAT UNTIL i = 4
   i = 1
   sum++
DISPLAY sum

What is the output?

Nothing – infinite loop.

The number 4 is displayed.

The number 0 is displayed.

The number 1 is displayed.

2. To have a set of command execute multiple times in a program, you would want to use a loop. What types of loops are available in programming?

Do while

Repeat

For next

While

3. Consider the following code:

sum = 0
j = 0
DO WHILE j < 3
   DISPLAY (“Enter any number between 1 and 100”)
   INPUT num
   IF(num >= 1 AND <= 100)
      sum = sum + num
   ENDIF
END DO WHILE
avg = sum / j

With inputs of 0, -1, 4, 8 and 12, what will be the output?

An infinite loop

A correct average

An incorrect average

A run time error