Operating-Systems
October 8, 2023NIC-NIELIT STA 2020
October 8, 2023Compiler-Design
Question 35 |
Given the following expression grammar:
E → E * F | F + E | F F → F - F | id
which of the following is true?
* has higher precedence than + | |
– has higher precedence than * | |
+ and – have same precedence | |
+ has higher precedence than * |
Question 35 Explanation:
The operator which is in low level that can have high preference.
Order of precedence is *, +, -.
Here * and + have equal preference, ‘-‘ can have higher precedence than + and *.
Order of precedence is *, +, -.
Here * and + have equal preference, ‘-‘ can have higher precedence than + and *.
Correct Answer: B
Question 35 Explanation:
The operator which is in low level that can have high preference.
Order of precedence is *, +, -.
Here * and + have equal preference, ‘-‘ can have higher precedence than + and *.
Order of precedence is *, +, -.
Here * and + have equal preference, ‘-‘ can have higher precedence than + and *.
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