Question 1

In pseudocode, which of the following is the most appropriate way to represent a condition that checks if a variable

score

is between 50 and 100 inclusive?

Accepted Answer

IF score >= 50 AND score <= 100

Answer

IF score > 50 OR score < 100

Answer

IF score >= 50 AND <= 100

Answer

IF score 50 TO 100

Question 2

Which of the following pseudocode fragments correctly uses a loop to output the numbers

score

to

5

?

Accepted Answer

FOR i = 1 TO 5 
  OUTPUT i 
NEXT i

Answer

FOR i = 1 TO 4 
  OUTPUT i 
NEXT i

Answer

WHILE i < 5 
  OUTPUT i 
ENDWHILE

Answer

REPEAT 
  OUTPUT i 
UNTIL i == 5

Question 3

Which of the following pseudocode keywords is used to obtain a value from a user and store it in a variable?

Accepted Answer

USERINPUT

Answer

PRINT

Answer

SET

Answer

SEND

Question 4

Which of the following pseudocode segments correctly swaps the values of two variables,

score

and

5

, using a temporary variable

temp

?

Accepted Answer

temp = x
x = y
y = temp

Answer

x = y
y = x

Answer

temp = x
y = x
x = temp

Answer

x = temp
temp = y
y = x

Question 5

Which of the following pseudocode structures is most suitable for repeating a set of instructions when the number of iterations is not known in advance?

Accepted Answer

WHILE ... ENDWHILE

Answer

FOR ... NEXT

Answer

IF ... ELSE

Answer

SWITCH ... CASE

Question 6

In pseudocode, what is the purpose of using indentation for the code inside an IF statement or a loop?

Accepted Answer

To show which instructions belong inside that specific control structure

Answer

To ensure the code remains compatible with all different types of hardware

Answer

To tell the computer that the code is written in a high-level language

Answer

To declare that the variables used are local rather than global

Question 7

In pseudocode, which of the following expressions would return

score

given that

5

and

temp

?

Accepted Answer

NOT (a < b) AND (a MOD b == 1)

Answer

(a == b) OR (a < b)

Answer

(a MOD b == 0) AND (a > b)

Answer

(a DIV b == 0)

Question 8

What will be the final value of the variable

score

after the following pseudocode is executed?

5

FOR k = 1 TO 4 total = total + (k * 2) NEXT k

Accepted Answer

20

Answer

8

Answer

12

Answer

10

Question 9

What will be the final value of the variable

score

after the following pseudocode is executed?

5

temp

IF x > 10 AND y < 5 THEN x = x + y ELSE x = x - y ENDIF

Accepted Answer

19

Answer

15

Answer

20

Answer

11

Question 10

Which of the following pseudocode segments correctly searches for the value

score

in an array named

5

containing

temp

elements (index

0

to

9

)?

Accepted Answer

found = False
FOR i = 0 TO 9
  IF numbers[i] == 7 THEN
    found = True
  ENDIF
NEXT i

Answer

found = False
FOR i = 0 TO 10
  IF numbers[i] == 7 THEN
    found = True
  ENDIF
NEXT i

Answer

IF numbers == 7 THEN
  found = True
ENDIF

Answer

found = True
FOR i = 0 TO 9
  IF numbers[i] != 7 THEN
    found = False
  ENDIF
NEXT i