The problem presents a table with initial values of variables and evaluates them through a series of operations. Here's a breakdown of the scenario:Variables:- `a`, `b`, and `sum` are integer variables.- `c` is a float variable.Initial Values:- `a = 9`- `b = 4`- `c = 3.8`A series of operations are performed on these variables, and the values of each are updated after each operation. The table columns represent:- `a`: Value of the integer variable `a`.- `b`: Value of the integer variable `b`.- `c`: Value of the float variable `c`.- `sum`: Value of the integer variable `sum`.Operations:1. **Initial Operation:** \[ \text{sum} = \text{static\_cast}((++a + b) + c); \] - \(\text{a}\) is incremented by 1, making it 10. - Then, \(a + b = 10 + 4 = 14\). - Adding \(c = 3.8\) gives \(14 + 3.8 = 17.8\). - Using `static_cast`, 17.8 is cast to 17. - Resulting values: \(a = 10\), \(b = 4\), \(c = 3.8\), \(\text{sum} = 17\).2. **Second Operation:** \[ b += c \times a; \] - \(c \times a = 3.8 \times 10 = 38\). - Updating \(b\) gives \(b = 4 + 38 = 42\). - Resulting values: \(a = 10\), \(b = 42\), \(c = 3.8\), \(\text{sum} = 17\).3. **Third Operation:** \[ c -= \text{static\_cast}(a-- + 1); \] - Since \(a--\) uses the post-decrement operator, \(a\) is used as 10 first, then decremented. - \(a + 1 = 10 + 1 = 11\

b+=c*a ; b = b + c*a = 4 + 3.8*9 = 4 + 34.2 = 38.2 So value of b= 38 Thus a = 9, b= 38, c=3.8 sum=17…

Suppose a, b, and sum are int variables and c is a float variable. What value is assigned to each variable after each statement executes? Suppose a = 9, b = 4, and c = 3.8./ a sum sum = static cast (++a + b) + c; 4 3.8 17 - += c * a;

Suppose a, b, and sum are int variables and c is a float variable. What value is assigned to each variable after each statement executes? Suppose a = 9, b = 4, and c = 3.8./ a sum sum = static cast (++a + b) + c; 4 3.8 17 - += c * a;

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

The problem presents a table with initial values of variables and evaluates them through a series of operations. Here's a breakdown of the scenario:

Variables:
- `a`, `b`, and `sum` are integer variables.
- `c` is a float variable.

Initial Values:
- `a = 9`
- `b = 4`
- `c = 3.8`

A series of operations are performed on these variables, and the values of each are updated after each operation. The table columns represent:
- `a`: Value of the integer variable `a`.
- `b`: Value of the integer variable `b`.
- `c`: Value of the float variable `c`.
- `sum`: Value of the integer variable `sum`.

Operations:

1. **Initial Operation:**
\[
\text{sum} = \text{static\_cast<int>}((++a + b) + c);
\]
- \(\text{a}\) is incremented by 1, making it 10.
- Then, \(a + b = 10 + 4 = 14\).
- Adding \(c = 3.8\) gives \(14 + 3.8 = 17.8\).
- Using `static_cast<int>`, 17.8 is cast to 17.
- Resulting values: \(a = 10\), \(b = 4\), \(c = 3.8\), \(\text{sum} = 17\).

2. **Second Operation:**
\[
b += c \times a;
\]
- \(c \times a = 3.8 \times 10 = 38\).
- Updating \(b\) gives \(b = 4 + 38 = 42\).
- Resulting values: \(a = 10\), \(b = 42\), \(c = 3.8\), \(\text{sum} = 17\).

3. **Third Operation:**
\[
c -= \text{static\_cast<float>}(a-- + 1);
\]
- Since \(a--\) uses the post-decrement operator, \(a\) is used as 10 first, then decremented.
- \(a + 1 = 10 + 1 = 11\

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