C Programming Test (Random Questions)

C Programming Test (Random Questions) - Computer Science & Engineering

Instruction:

This is a FREE online test. DO NOT pay money to anyone to attend this test.
Total number of questions : 20.
Time alloted : 30 minutes.
Each question carry 1 mark, no negative marks.
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An extranet is which of the following?

	A.	The use of Internet protocols with limited access to company data by the company's customers and suppliers.
	B.	The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.
	C.	The use of Internet protocols with limited access to company data by people within an organization.
	D.	The use of Internet protocols with unlimited access to company data by people within an organization.

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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The records in a file or magnetic tape

	A.	can only be accessed serially
	B.	have to be arranged in a key sequence
	C.	are meant for backup
	D.	cannot be transferred to a disk file
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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Which of the following statements are correct about the C#.NET code snippet given below?

1 int[ , ] intMyArr = {{7, 1, 3}, {2, 9, 6}};

2 intMyArr represents rectangular array of 2 rows and 3 columns.

3 intMyArr.GetUpperBound(1) will yield 2.

4 intMyArr.Length will yield 24.

5 intMyArr.GetUpperBound(0) will yield 2.

	A.	1, 2
	B.	2, 3
	C.	2, 5
	D.	1, 4
	E.	3, 4

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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Which of the following is an abstract data type?

	A.	int
	B.	double
	C.	string
	D.	Class

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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What will the SWAP macro in the following program be expanded to on preprocessing? will the code compile?

#include<stdio.h>
#define SWAP(a, b, c)(c t; t=a, a=b, b=t)
int main()
{
int x=10, y=20;
SWAP(x, y, int);
printf("%d %d\n", x, y);
return 0;
}

	A.	It compiles
	B.	Compiles with an warning
	C.	Not compile
	D.	Compiles and print nothing

Your Answer: Option

Correct Answer: Option C

Explanation:

The code won't compile since declaration of t cannot occur within parenthesis.

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What will be the output of the program in TurboC?

#include<stdio.h>
int fun(int **ptr);

int main()
{
int i=10, j=20;
const int *ptr = &i;
printf(" i = %5X", ptr);
printf(" ptr = %d", *ptr);
ptr = &j;
printf(" j = %5X", ptr);
printf(" ptr = %d", *ptr);
return 0;
}

	A.	i= FFE2 ptr=12 j=FFE4 ptr=24
	B.	i= FFE4 ptr=10 j=FFE2 ptr=20
	C.	i= FFE0 ptr=20 j=FFE1 ptr=30
	D.	Garbage value

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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From what location are the 1st computer instructions available on boot up?

	A.	ROM BIOS
	B.	CPU
	C.	boot.ini
	D.	CONFIG.SYS
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?

	A.	7.8 mA
	B.	208 mA
	C.	200 mA
	D.	300 mA
	E.	None of the above

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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Which of the following is the correct way to overload + operator?

	A.	public sample operator + ( sample a, sample b )
	B.	public abstract operator + ( sample a, sample b)
	C.	public abstract sample operator + (sample a, sample b )
	D.	public static sample operator + ( sample a, sample b )
	E.	All of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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10.

What product is used to clean smudged keys on a keyboard?

	A.	TMC solvent
	B.	Silicone spray
	C.	Denatured alcohol
	D.	All-purpose cleaner
	E.	None of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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11.

Which of the following concepts means determining at runtime what method to invoke?

	A.	Data hiding
	B.	Dynamic Typing
	C.	Dynamic binding
	D.	Dynamic loading

Your Answer: Option

Correct Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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12.

If you design a class that needs special initialization tasks, you will want to design a(n) _____

	A.	housekeeping routine
	B.	initializer
	C.	constructor
	D.	compiler

Your Answer: Option

Correct Answer: Option C

Explanation:

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13.

To view any currently running Terminate Stay Resident (TSR's) programs you could type:

	A.	Memory
	B.	MEM
	C.	SYS /M
	D.	Memmaker
	E.	None of the above

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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14.

Which of the following products was the first to implement true relational algebra in a PC DBMS?

	A.	IDMS
	B.	Oracle
	C.	dBase-II
	D.	R:base

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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15.

_____ means that the manager spends his or her time dealing with exceptions or those situations which are out of control

	A.	relevant
	B.	management by exception
	C.	predictive reports
	D.	control
	E.	None of the above

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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16.

What command is used to reset a MODEM when using the "AT Command Set"?

	A.	ATR
	B.	ATZ
	C.	DTR
	D.	DCE
	E.	None of the above

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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17.

Which command is used to terminate a process?

	A.	shutdown
	B.	haltsys
	C.	cancel
	D.	kill
	E.	None of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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18.

In which of the following areas are delegates commonly used?

1 Remoting

2 Serialization

3 File Input/Output

4 Multithreading

5 Event handling

	A.	1 and 2 only
	B.	1 and 5 only
	C.	1, 2 and 3 only
	D.	4 and 5 only
	E.	All of the above

Your Answer: Option

Correct Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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19.

In an intrinsic semiconductor, the number of free electrons

	A.	Equals the number of holes
	B.	Is less than the number of holes
	C.	Is greater than the number of holes
	D.	Impossible to say
	E.	None of the above

Your Answer: Option

Correct Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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20.

What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

	A.	Switch
	B.	Bridge
	C.	Gateway
	D.	Router

Your Answer: Option

Correct Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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