Question
The average mark obtained by 140 candidates in a certain
examination is 50. If the average marks of passed candidates are 55 and that of the failed candidates is 20, then what is the number of candidates who passed in the examination?Solution
According to question, => 55 × x + 20 × (140 − x) = 140 × 50 => 55x + 2800 – 20x = 7000 => x = 120
Which of the following is an example of a "local optimization"?
Which of the following parsers is the most powerful (can parse the largest class of grammars)?
Which optimization technique involves replacing a sequence of instructions with a shorter or faster sequence, often by looking at a small "window" of in...
A "lexeme" refers to:
Peephole optimization is applied during:
Data flow analysis is a technique used by optimizers to:
Which of the following techniques is used to ensure that a database design eliminates redundant data?
Which of the following is TRUE about symbol tables?
The primary goal of code optimization is to:
Which of the following tasks is NOT performed during lexical analysis?
