What is the output of the following program include include

What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%d\", (int16_t) n);
}

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%d\", (int32_t) n);
}

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Question 3

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%lld\", (int64_t) n);
}

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%x\", (int32_t) n);
}

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Question 5

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   uint8_t n = 3;
   printf(\"%d\", (int32_t) n);
}

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Question 6

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   uint8_t n = 0xff;
   printf(\"%d\", (int32_t) n);
}

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Question 7

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What is the output of the following program?

#include <cstdint>
#include <stdio.h>
int main()
{
   uint8_t n = 0xff;
   printf(\"%d\", (int32_t) (int8_t) n);
}

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Question 8

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In the code segment below, assume that x is an int and x is less than 0

if ((x * 2) < 0) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. could be either howdy or goodbye depending upon the value of x

b. will always be goodbye

c. will always be howdy

Question 9

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In the code segment below, assume that ux is an unsigned int.

if (ux >= 0) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. will always be goodbye

b. could be either howdy or goodbye depending upon the value of x

c. will always be howdy

Question 10

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In the code segment below, assume that ux is an unsigned int.

if (ux > -1) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. could be either howdy or goodbye depending upon the value of ux

b. will always be howdy

c. will always be goodbye

Question 11

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In the code segment below, assume that x and y are ints and x is greater than y

if (-x < -y) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. will always be goodbye

b. could be either howdy or goodbye depending upon the value of x

c. will always be howdy

Question 12

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In the code segment below, assume that x is an int.

if (((x >> 1) << 1) == x) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. could be either howdy or goodbye depending upon the value of x

b. will always be goodbye

c. will always be howdy

Question 13

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In the code segment below, assume that x is an int.

if (((x >> 1) << 1) <= x) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

a. could be either howdy or goodbye depending upon the value of x

b. will always be goodbye

c. will always be howdy

Question 14

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In the code segment below, assume that x and y are ints and ux and uy are unsigned ints.

ux = x;
uy = y;
if ((x + y) == (ux + uy)) printf(\"howdy\ \"); else printf(\"goodbye\ \");

For these statements, the output will:

Select one:

a. could be either howdy or goodbye depending upon the value of x

b. will always be goodbye

c. will always be howdy

Question 15

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What is the output of the following C code?
#include <cstdint>
#include <stdio.h>
int main()
{
   int32_t in = -1;
   uint32_t un;

   un = in;
   in = un;
   printf(\"%d\", in);
}

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Question 16

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What is the output of the following C code?
unsigned int ux = -3;
unsigned int x = 3;
if (x > ux) printf(\"howdy\"); else printf(\"goodbye\");

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Question 17

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What is the output of the following C code?
#include <cstdint>
#include <stdio.h>
int main()
{
   int32_t in = -1;
   uint32_t un = 3;

   if (in < un)
      printf(\"%d\", in);
   else
      printf(\"%d\", un);
}

Answer:

Solution

Question 1

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%d\", (int16_t) n);
}

Answer: -3

Question 2

#include <cstdint>

#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%d\", (int32_t) n);
}

Answer: -3

Question 3

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%lld\", (int64_t) n);
}

Answer: -3

Question 4

#include <cstdint>
#include <stdio.h>
int main()
{
   int8_t n = -3;
   printf(\"%x\", (int32_t) n);
}

Answer: fffffffd

Question 5

#include <cstdint>

#include <stdio.h>
int main()
{
   uint8_t n = 3;
   printf(\"%d\", (int32_t) n);
}

Answer: 3

Question 6

#include <cstdint>
#include <stdio.h>
int main()
{
   uint8_t n = 0xff;
   printf(\"%d\", (int32_t) n);
}

Answer: 255

Question 7

#include <cstdint>

#include <stdio.h>
int main()
{
   uint8_t n = 0xff;
   printf(\"%d\", (int32_t) (int8_t) n);
}

Answer: -1

Question 8

In the code segment below, assume that x is an int and x is less than 0

if ((x * 2) < 0) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Answer

c. will always be howdy

Question 9

In the code segment below, assume that ux is an unsigned int.

if (ux >= 0) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Select one:

Answer:

c. will always be howdy

Question 10

In the code segment below, assume that ux is an unsigned int.

if (ux > -1) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Answer:

c. will always be goodbye

Question 11

In the code segment below, assume that x and y are ints and x is greater than y

if (-x < -y) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Answer:

c. will always be howdy

Question 12

In the code segment below, assume that x is an int.

if (((x >> 1) << 1) == x) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Answer :

b. will always be goodbye

Question 13

In the code segment below, assume that x is an int.

if (((x >> 1) << 1) <= x) printf(\"howdy\"); else printf(\"goodbye\");

What is the output?

Answer:

c. will always be howdy

Question 14

In the code segment below, assume that x and y are ints and ux and uy are unsigned ints.

ux = x;
uy = y;
if ((x + y) == (ux + uy)) printf(\"howdy\ \"); else printf(\"goodbye\ \");

For these statements, the output will:

Answer:

c. will always be howdy

Question 15

What is the output of the following C code?

#include <cstdint>
#include <stdio.h>
int main()
{
   int32_t in = -1;
   uint32_t un;

   un = in;
   in = un;
   printf(\"%d\", in);
}

Answer: -1

Question 16

unsigned int ux = -3;
unsigned int x = 3;
if (x > ux) printf(\"howdy\"); else printf(\"goodbye\");

Answer: goodbye

Question 17

What is the output of the following C code?
#include <cstdint>
#include <stdio.h>
int main()
{
   int32_t in = -1;
   uint32_t un = 3;

   if (in < un)
      printf(\"%d\", in);
   else
      printf(\"%d\", un);
}

Answer: 3