2013 – 2014 S3 ICT Uniform Test MARKING SCHEME

Q1.

a. 5

b. 7

c. 4

d. 5

e. 0

f. 5

(1 each, total 6)

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Q3. a) writeln( ‘r =’ , r : 0 : 2 );

writeln( ‘ r – 1 = ‘ , r – 1 : 0: 1 ); (3)

b) for i := 1 to 8 do

writeln( ’tkpss’ ) (3)

c) for i := 1 to 5 do

writeln( x : 0 : 3 ); (4)

Q4. a. readln(x) ;

writeln( ’Root of ‘, x, ‘ = ‘, sqrt(x):0:2 ); (3)

b. randomize ;

writeln( ’from 0 to 8’ );

writeln( ’random number is ‘, random(9) ); (4)

c. write(‘input x ‘) ;

readln(x) ;

for i := 1 to x do

write( ’@’ ); (4)

d. write(‘input y : ‘) ;

readln(y) ;

for i := 1 to (y div 2) do

write( ’@’ ); (4)

Q5. var x, y, w, d : integer;

begin

write(’input no. Of days : ’); readln(x); (1)

y := y div 365; (2)

w := (x mod 365) div 7; (2)

d := (x mod 365) mod 7; (2)

writeln(y, ’ years’);

writeln(w, ‘ weeks’); (1)

writeln(d, ‘ days’)

end. (TOTAL 8)

Q6. var x : integer;

begin

write(’input x : ’); readln(x); (1)

if x <= 0

then writeln(‘Please bigger than 0’) (2)

else if x mod 2 = 1

then writeln(x, ‘ is an ODD number.’) (2)

else writeln(x, ‘ is an EVEN number.’) (2)

end. (nested if 3)

(10)

Q7. a. 2, The name is Monochrome (2, 2)

b. MPG-1 and MPG-4 (2, 2)

c. higher � frame rate or resolution,

use another compression method such as MPG-4 (any two, 2 each)

d. larger file size (2)

[Output Q2a]

x = 350

2*x=700

(3)

[Output Q2b]

□□□□4

(3)

[Output Q2c]

heha

heha

heha

heha

heha

heha

heha (2)

[Output Q2d]

□□□wewa

□□□wewa

□□□wewa

□□□wewa

(2)