Thursday, December 4, 2014

Practice Questions

What value is stored in num at the end of this looping?
num = 0 
for x = 1 to 3 do
     num = num + x
next

a. 3
b. 4
c. 5
d. 6


Consider the following snippet and state how many times the phrase “In the loop” is printed.
a = 6
b = 12
while a < b do
     print “In the loop”
     a = a + 2
wend

a. 6
b. 12
c. 2
d. 3


Looking at the following while statement, identify the dummy value.
While Age < > 999 do

a. While
b. 999
c. Age
d. < >


Using the following snippet, state the number of repetitions that will occur.
input num
while num < 6 do
     count = count + 1
wend

a. 1
b. 2
c. 5
d. unknown


Look at the following; identify the loop variable.
for class = 1 to 25 do
   input num
   total = total + num
next

a. num
b. total
c. class
d. not specified

Consider the following array of peripherals and answer the questions.

1  Monitors
2  Keyboards
3  Mouse

Identify the name of the array ___________________
State the size of the array _______________________
State the data type of the array ___________________


Convert the following to a repeat until loop, whereby the loop repeats until the word end is entered:

for students = 1 to 117
   print "ready for the exam?"
   input ans$
   if ans$ = "yes" then
       print "Awesomesauce"
   end if
next

Exam Prep...

Tomorrow is the IT theory exam and here's a bit of prep for you...
Outline:
30 multiple choice questions
7-10 structured questions
1 algorithm

Things to know:
Syntax for all types of algorithms
ControlStructures
Flowchart symbols
Steps in problem solving phase
Convert for loop to while and repeat until loops
Identify input, output or processing statements
How to declare and use arrays (3 steps)
Identify loop structures
Identify loop variables
Study from previous multiple choice questions for analyzing algorithms
Terminology

In the exam, stay calm...read carefully...attempt all questions!
Good luck!