BCS1243 PP Chapter 2 Elementary Programming

1. The following variables are invalid. Explain why.

i.Nama    Pelajar

ii Nama-Pelajar

iii.1Nama

iv. import

2. Write an evaluation tree for the following expressions

i. 2+5*3

ii 2*5+3

iii 2*5/3

iv.(2+5)*3

3. Define the following terms:-

i. Syntax Errors

ii. Runtime Errors

iii. Logic Errors