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programming languages Online Quiz - 27

Description: programming languages Online Quiz - 27
Number of Questions: 20
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Tags: programming languages

TButton caption can be left aligned. Judge the comment.

  1. TRUE

  2. FALSE

  3. True with the help of changing the Bidi alignment.

  4. True by setting proper margin value.

Answer: 2

What is the ordinal value of 'nodefault' storage specifier of a property?

  1. 2147483647

  2. -2147483647

  3. 0

  4. 2147483648

  5. -1

Answer: 4

Property can be pass as a var parameters. Judge the statement.

  1. TRUE

  2. True using pointer

  3. FALSE

  4. Some times true, some times false.

Answer: 3

Components can only be allocated on the -----

  1. Stack

  2. Heap

  3. Register

  4. Floppy

  5. Compact Disk

Answer: 2

Ultimate base class of all Objects and Components.

  1. TObect

  2. TUnknown

  3. IUnknown

  4. TBase

  5. TComponent

Answer: 1

Which compiler directive controls whether the reserved word 'string' represents a short string or a long string?

  1. $M+/-

  2. $H+/-

  3. $P+/-

  4. $V+/-

  5. $X+/-

Answer: 2

Find out the odd one.

  1. Embarcadero

  2. CodeGear

  3. Inprise

  4. Borland

  5. Pascal

Answer: 5

Which one of the following is not written in Delphi?

  1. Skype

  2. Toad

  3. PL/SQL Developer

  4. MySQL

  5. MySQL Administrator

Answer: 4

What number is equivalent to -4e3?

  1. -400

  2. .004

  3. -4000

  4. .0004

Answer: 3

int z,x=5,y=-10,a=4,b=2; z = x++ - --y * b / a; What number will z in the sample code above contain?

  1. 12

  2. 10

  3. 11

  4. 6

Answer: 2

Code: char* myFunc (char *ptr) { ptr += 3; return (ptr); } int main() { char *x, *y; x = "HELLO"; y = myFunc (x); printf ("y = %s \n", y); return 0; } What will print when the sample code above is executed?

  1. y = LLO

  2. y = LO

  3. y = ELLO

  4. y = HELLO

Answer: 2

time_t t; Which one of the following statements will properly initialize the variable t with the current time from the sample above

  1. t = ctime();

  2. time( &t );

  3. t = localtime();

  4. t = clock();

Answer: 4

Code: char *ptr; char myString[] = "abcdefg"; ptr = myString; ptr += 5; What string does ptr point to in the sample code above?

  1. efg

  2. cdefg

  3. fg

  4. None of the above

Answer: 3

char ** array [12][12][12]; Consider array, defined above. Which one of the following definitions and initializations of p is valid?

  1. char ** (* p) [12][12] = array;

  2. char ***** p = array;

  3. char * (* p) [12][12][12] = array;

  4. const char ** p [12][12][12] = array;

Answer: 1

Code: #include int i; void increment( int i ) { i++; } int main() { for( i = 0; i < 10; increment( i ) ) { } printf("i=%d\n", i); return 0; } What will happen when the program above is compiled and executed?

  1. It will not compile.

  2. It will print out: i=9.

  3. It will print out: i=10.

  4. It will loop indefinitely

Answer: 4

Which one of the following C operators is right associative?

  1. =

  2. ,

  3. []

  4. ->

Answer: 1

Which one of the following statements allocates enough space to hold an array of 10 integers that are initialized to 0?

  1. int *ptr = (int *) malloc(10, sizeof(int));

  2. int *ptr = (int *) calloc(10, sizeof(int));

  3. int ptr = (int *) malloc(10sizeof(int));

  4. int ptr = (int *) alloc(10sizeof(int));

Answer: 3

Code: FILE *f = fopen( fileName, "r" ); readData( f ); if( ???? ) { puts( "End of file was reached" ); } Which one of the following can replace the ???? in the code above to determine if the end of a file has been reached?

  1. f == EOF

  2. feof( f )

  3. eof( f )

  4. f == NULL

Answer: 1

Check whether the syntax of the piece of code is correct: text.setBackGround(color.Yellow);

  1. True

  2. False

Answer: 2

Default layout for frame

  1. Flow Layout

  2. GridLayout

  3. Card Layout

  4. BorderLayout

  5. GridBagLayout

Answer: 4
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