a. Show the order of evaluation of the following expressions by parenthesizing all subexpressions and placing a superscript on the right parenthesis to indicate order. For example, for the expression a + b * c + d, the order of evaluation would be represented as ((a + (b * c)' )² + dy* | Page 1 of 3 CS 430 Assignment 3 Еxpression Order of evaluation 1) а *b -1+с 2) а * (b — 1)/с mod d 3) (a – b) / c & (d * e / a – 3) 4) – a or e = d and e 5) a >b xor e or d<= 17 6) - а +b

a. Show the order of evaluation of the following expressions by parenthesizing all subexpressions and placing a superscript on the right parenthesis to indicate order. For example, for the expression a + b * c + d, the order of evaluation would be represented as ((a + (b * c)' )² + dy* | Page 1 of 3 CS 430 Assignment 3 Еxpression Order of evaluation 1) а b -1+с 2) а (b — 1)/с mod d 3) (a – b) / c & (d * e / a – 3) 4) – a or e = d and e 5) a >b xor e or d<= 17 6) - а +b

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question 1. Assume the following rules of associativity and precedence for expressions:

expressions:
Precedence:
Highest
*, /, not
+,
-, &, mod
(unary)
=, /=, <, <=, >=, >
and
Lowest
or, xor
Associativity:
Left to right
a. Show the order of evaluation of the following expressions by parenthesizing all
subexpressions and placing a superscript on the right parenthesis to indicate order.
For example, for the expression a + b * c + d, the order of evaluation would be
represented as ((a + (b * c)' )² + d)³ I
Page 1 of 3
CS 430
Assignment 3
Expression
Order of evaluation
1) а *b —1+с
2) а * (b — 1) /с тod d
3) (а — b) / с & (d *e/a —3)
4) — а or c %3Dd and e
5) a >b xor c or d <= 17
6) — а + b

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