operators c programing questions

11.

What will be the output of the C#.NET code snippet given below?

int num = 1, z = 5;

if (!(num <= 0))
Console.WriteLine( ++num + z++ + ” ” + ++z );
else
Console.WriteLine( –num + z– + ” ” + –z );

A.     5 6
B.     6 5
C.     6 6
D.     7 7
Answer & Explanation

Answer: Option D

Explanation:

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12.

Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?
A.     n = n && HF7
B.     n = n & 16
C.     n = n & 0xF7
D.     n = n & HexF7
E.     n = n & 8
Answer & Explanation

Answer: Option C

Explanation:

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13.

What will be the output of the C#.NET code snippet given below?

byte b1 = 0xAB;
byte b2 = 0x99;
byte temp;
temp = (byte)~b2;
Console.Write(temp + ” “);
temp = (byte)(b1 << b2);
Console.Write (temp + ” “);
temp = (byte) (b2 >> 2);
Console.WriteLine(temp);

A.     102 1 38
B.     108 0 32
C.     102 0 38
D.     1 0 1
Answer & Explanation

Answer: Option C

Explanation:

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14.

Which of the following statements is correct about Bitwise | operator used in C#.NET?
A.     The | operator can be used to put OFF a bit.
B.     The | operator can be used to Invert a bit.
C.     The | operator can be used to check whether a bit is ON.
D.     The | operator can be used to check whether a bit is OFF.
E.     The | operator can be used to put ON a bit.
Answer & Explanation

Answer: Option E

Explanation:

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15.

Which of the following is NOT an Assignment operator in C#.NET?
A.     \=    B.     /=
C.     *=    D.     +=
E.     %=
Answer & Explanation

Answer: Option A

Explanation:

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