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Explore the world with Computing (CT)
DEPARTMENT OF COMPUTER
CS 105
AND INFORMATION TECHNOLOGY
Name:
MU ID:
Assignment 4
Total Points: 100
Chapter 14
Exercise 1: Page 708 (4). Using the Employees table of Figure 14.6... (10 pts)
Exercise 2: Page 708 (5). Write an SQL query that retrieves first and last names. [10 pts)
Exercise 3: Page 708 (6). Using the Employees table of Figure 14.6. (15 pts)
Exercise : Page 708 (7) Using the Employees table of Figure 14.6. las pts)
Chapter 16
Exercise 5: Page 786(2). Given the triangular model of a two-dimensional object shown here.. (25 pts)
Exercise 6: Page 785 (3) a. Assume the matrix multiplication of Figure 16.7... 15 pts)
If your GPU can execute 50 million floating point is pts)
Exercise 7: Page 786 (4). Assume a polygon mesh contains 250,000 vertices. (15 pts)
e lot

We as humans write math expression in infix notation, e. g. 5 + 2 (the operators are written in-between the operands). in a computer’s language, however, it is preferred to have the operators on the right side of the operands, i. e. 5 2 +. for more complex expressions that include parenthesis and multiple operators, a compiler has to convert the expression into postfix first and then evaluate the resulting postfix. write a program that takes an “infix” expression as input, uses stacks to convert it into postfix expression, and finally evaluates it. it must support the following operations: + - / * ^ % (example infix expression: (7 - 3) / (2 + 2)postfix expression: 7 3 - 2 2 + /result: 1guidelines: 1. you will need to use stacks in three placesa. one for the parenthesis check [char stack]b. one during infix to postfix [char stack]c. one during evaluation [int stack]for a and b above, you can use same array and same push, pop method as both ofthem are char. but for evaluation you have int stack and you might consider to createanother push pop method to handle it. maybe push_int, pop_int, etc. or find otherstrategy to utilize existing push pop method2. you can create a function for obtaining operator priority. that function should take anoperator as input and return its priority as an integer. this function will you a lot andreduce repeated code3. during evaluation you will need to convert char into integer. example for single digit: char c = '5'; int x = c - '0';