Pseudocode

Question 1

Write code to display output on a screen

Answer 1

OUTPUT A

Question 2

Write code to perform string operations (length)

Answer 2

LEN(‘StringExp’)

LEN(‘computer science’)

= 16 (including spaces)

Question 3

Write code to find position of char in string

Answer 3

POSITION (‘StringExp’ , ‘CharExp’)

POSITION(‘computer science’, ‘m’

= 2 (indexing starts at 0)

Question 4

Write code to perform string operations (substring)

Answer 4

SUBSTRING(IntExp, IntExp, ‘StringExp’)

SUBSTRING(2, 9, ‘computer science’)

= ‘mputer s’

Question 5

Write code to perform string operations (concatenation)

Answer 5

StringExp + StringExp

‘Computer’ + ‘Science’

= ‘computerscience’

Question 6

Converting string to integer

Answer 6

STRING_TO_INT(StringExp)

Question 7

Converting string to real

Answer 7

STRING_TO_REAL(StringExp)

Question 8

Converting integer to string

Answer 8

INT_TO_STRING(IntExp)

Question 9

Converting real to string

Answer 9

REAL_TO_STRING(RealExp)

Question 10

Converting character to character code

Answer 10

CHAR_TO_CODE(CharExp)

Question 11

Converting character code to character

Answer 11

CODE_TO_CHAR(IntExp)

Question 12

Integer Division

Answer 12

IntExp DIV IntExp

Question 13

Count controlled iteration (For loop)

Answer 13

FOR Identifier arrow IntExp TO IntExp STEP IntExp

ENDFOR

Question 14

Condition controlled iteration (While)

Answer 14

WHILE BoolExp
#statements
ENDWHILE

Question 15

If/elseif/else structure

Answer 15

IF BoolExp THEN 
   #S
ELSE IF BoolExp THEN 
   #S
ELSE 
   #S 
ENDIF

Question 16

Assigning array

Answer 16

Identifier arrow [IntExp]

Question 17

Assigning 2D array

Answer 17

Identifier arrow [IntExp][IntExp]

Question 18

Updating element in array

Answer 18

Identifier [IntExp] arrow Exp

Question 19

Find Array length

Answer 19

LEN(Identifier)

Question 20

For loop for length of array

Answer 20

FOR identifier IN array
#statements (identifier can be used as a local
variable here (eg. i)
ENDFOR

Question 21

Declaring a record

Answer 21

RECORD Record_identifier 
     field1 :  datatype
     field2 :  datatype
   …
ENDRECORD

Question 22

Declaring variable with record

Answer 22

VarName arrow Record_identifier(value1,value2,…)

Question 23

Assigning a value to a field in a record

Answer 23

VarName.field arrow Exp

Question 24

Accessing values of files in records

Answer 24

VarName.field

Question 25

how to write Subroutine

Answer 25

SUBROUTINE identifier (parameters) 
    # statements 
ENDSUBROUTINE

Question 26

Return value in subroutine

Answer 26

RETURN Exp

Question 27

Calling subroutines

Answer 27

Identifier (parameters)

Question 28

Generate random number

Answer 28

Identifier arrow RANDOM_INT(StartValue, EndValue)

This function is inclusive