Scala programming Name: ____________________________________Serial Number: **500**---```Nil} else { start :: aux (start + 1, count - 1)}aux (init, n)}val xs : List[Int] = { val n = 5 createList (2)}```**What will the value of xs be if the programming language uses dynamic scope?**A: List (2)B: List (2, 3, 4, 5, 6)C: List (2, 3, 4, 5)D: List (2, 3)E: List (2, 3, 4)---**Question 10:** Consider the Scala code:```val q = (x:Int) => List (x, x + 1, x + 2)```What will happen when q(10) is executed?A: Returns 33.B: Returns 10.C: Returns List (10, 11, 12).D: Returns List (12, 12, 12).E: Returns 12.---**Question 11:** Consider the C program:```c#include #include int *f (int x) { int y; int *p = &y; *p = x * 2; p = malloc (sizeof (int)); return p;}int main (void) { int *q = f (10); printf ("result = %d\n", *q); return 0;}```--- ### CS Exam Questions#### Question 11**Which one of the following statements is true about the C code?**- A: p is a dangling pointer. - B: The variable y is moved to the heap at runtime. - C: q is not a dangling pointer. - D: The assignment to *p is unsafe. - E: q is a dangling pointer.#### Question 12**Consider the Scala code:**```scalaval q = (x: Int) => List (x, x + 1, x + 2)```**What is the type of q?**- A: Int=>List[Int]- B: List[Int]- C: Int=>Int- D: List[Int=>Int]- E: List[(Int,Int,Int)]#### Question 13**Consider the C code:**```c#include "stdio.h"#include "stdlib.h"typedef int (*funcptr) (int);int a;funcptr f (int x) { a = x; int g (int y) { return x + y; } return &g;}int main (void){ funcptr h = f (10); printf ("result = %d\n", h (20)); return 0;}```**Which one of the following statements is true about the C code?**- A: The call to h is safe when using the GCC extension for nested functions.- B: The call to h is standard C and does not need the GCC extension for nested functions.- C: The variable x is moved to the heap at runtime.- D: The variable a is moved to the heap at runtime.- E: The call to h is unsafe when using the GCC extension for nested functions.#### Question 14**Consider the following code in Java:**---**Note:** There are no graphs or diagrams in the image.

Note: Answering the first question 10 i.e. as per the guidelines. Task : Given the scala…

Name: Nil } else { start aux (start + 1, count - 1) } } aux (init, n) } val xs List [Int] = { val n = 5 createList (2) } What will the value of xs be if the programming language uses dynamic scope? A: List (2) B: List (2, 3, 4, 5, 6) C: List (2, 3, 4, 5) D: List (2, 3) E: List (2, 3, 4) Question 10: Consider the Scala code: q= (x: Int) => List (x, x + 1, x + 2) What will happen when q(10) is executed? A: Returns 33. B: Returns 10. C: Returns List (10,11,12). D: Returns List (12,12,12). E: Returns 12. Question 11: Consider the C program: #include #include int *f (int x) { int y; int *p=&y; *p = x * 2; p= malloc (sizeof (int)); return p; } int main (void) { int *q= f (10); printf ("result = %d\n", *q); return 0; } Serial Number: 500

Name: Nil } else { start aux (start + 1, count - 1) } } aux (init, n) } val xs List [Int] = { val n = 5 createList (2) } What will the value of xs be if the programming language uses dynamic scope? A: List (2) B: List (2, 3, 4, 5, 6) C: List (2, 3, 4, 5) D: List (2, 3) E: List (2, 3, 4) Question 10: Consider the Scala code: q= (x: Int) => List (x, x + 1, x + 2) What will happen when q(10) is executed? A: Returns 33. B: Returns 10. C: Returns List (10,11,12). D: Returns List (12,12,12). E: Returns 12. Question 11: Consider the C program: #include #include int f (int x) { int y; int p=&y; p = x 2; p= malloc (sizeof (int)); return p; } int main (void) { int q= f (10); printf ("result = %d\n", q); return 0; } Serial Number: 500

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

Scala programming

Name: ____________________________________

Serial Number: **500**

---

```
Nil
} else {
start :: aux (start + 1, count - 1)
}
aux (init, n)
}
val xs : List[Int] = {
val n = 5
createList (2)
}
```

**What will the value of xs be if the programming language uses dynamic scope?**

A: List (2)

B: List (2, 3, 4, 5, 6)

C: List (2, 3, 4, 5)

D: List (2, 3)

E: List (2, 3, 4)

---

**Question 10:** Consider the Scala code:

```
val q = (x:Int) => List (x, x + 1, x + 2)
```

What will happen when q(10) is executed?

A: Returns 33.

B: Returns 10.

C: Returns List (10, 11, 12).

D: Returns List (12, 12, 12).

E: Returns 12.

---

**Question 11:** Consider the C program:

```c
#include <stdlib.h>
#include <stdio.h>

int *f (int x) {
int y;
int *p = &y;
*p = x * 2;
p = malloc (sizeof (int));
return p;
}

int main (void) {
int *q = f (10);
printf ("result = %d\n", *q);
return 0;
}
```

---

### CS Exam Questions

#### Question 11
**Which one of the following statements is true about the C code?**
- A: p is a dangling pointer.
- B: The variable y is moved to the heap at runtime.
- C: q is not a dangling pointer.
- D: The assignment to *p is unsafe.
- E: q is a dangling pointer.

#### Question 12
**Consider the Scala code:**
```scala
val q = (x: Int) => List (x, x + 1, x + 2)
```
**What is the type of q?**
- A: Int=>List[Int]
- B: List[Int]
- C: Int=>Int
- D: List[Int=>Int]
- E: List[(Int,Int,Int)]

#### Question 13
**Consider the C code:**
```c
#include "stdio.h"
#include "stdlib.h"

typedef int (*funcptr) (int);
int a;
funcptr f (int x) {
a = x;
int g (int y) { return x + y; }
return &g;
}

int main (void)
{
funcptr h = f (10);
printf ("result = %d\n", h (20));
return 0;
}
```
**Which one of the following statements is true about the C code?**
- A: The call to h is safe when using the GCC extension for nested functions.
- B: The call to h is standard C and does not need the GCC extension for nested functions.
- C: The variable x is moved to the heap at runtime.
- D: The variable a is moved to the heap at runtime.
- E: The call to h is unsafe when using the GCC extension for nested functions.

#### Question 14
**Consider the following code in Java:**

---

**Note:** There are no graphs or diagrams in the image.

Process by which instructions are given to a computer, software program, or application using code.

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