C Programming Test (Random Questions)

The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

Which is a reserved word in the Java programming language?

Changing cardinalities in a database is:

The rise time of a pulse waveform is the time required for the voltage to rise:

A shared lock allows which of the following types of transactions to occur?

Which is NOT one of the most common types of SQL CHECK constraints?

Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "Five Star";
String s2 = "FIVE STAR";
int c;
c = s1.CompareTo(s2);
Console.WriteLine(c);

The cp command uses:

What is correct about the static data member of a class?

A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?

1. A crossover cable should be used in place of the straight-through cable.
2. A rollover cable should be used in place of the straight-through cable.
3. The subnet masks should be set to 255.255.255.192.
4. A default gateway needs to be set on each host.
5. The subnet masks should be set to 255.255.255.0.

SQL data definition commands make up a(n) ________ .

Prior to the invention of time sharing, the prevalent method of computer access was:

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

In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?

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

class Sample
{
private int i;
public Single j;
private void DisplayData()
{
Console.WriteLine(i + " " + j);
}
public void ShowData()
{
Console.WriteLine(i + " " + j);
}
}

With which of the following can the ref keyword be used?

1 Static data

2 Instance data

3 Static function/subroutine

4 Instance function/subroutine

Some of the columns of a relation are at different sites is which of the following?

What will be the output of the program?

#include<stdio.h>

int main()
{
const int i=0;
printf("%d\n", i++);
return 0;
}

What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

In enterprise data modeling, which is incorrect?