Tag: science & technology

Questions Related to science & technology

Who acted as a president for most no of years?
general knowledge science & technology

  1. George Washington

  2. Dwight D. Eisenhower

  3. Franklin D. Roosevelt

  4. Abraham Lincoln

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Correct Option: C

When using a built-in function, you must?
general knowledge science & technology

  1. include the function's prototype.

  2. include the proper header file.

  3. include the function's definition.

  4. specify the length of the library function.

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Correct Option: B

The library function isalpha( ) requires the header file?
general knowledge science & technology
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Correct Option: A

The built-in library function isalnum( ) is testing to determine if the argument is?
general knowledge science & technology

  1. one of "all" numbers available from the keyboard.

  2. an alphabet character.

  3. an ASCII character.

  4. an alphanumeric.

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Correct Option: D

When using atoi( ) with an apstring variable,?
general knowledge science & technology

  1. you must convert the apstring to a standard string by using .c_str( ).

  2. all numbers within the string will be converted to integers.

  3. all characters within the string will be converted to ASCII equivalents.

  4. all alphabetic characters within the string will be counted.

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Correct Option: A

The built-in library function ceil(x) requires the header file?
general knowledge science & technology
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Correct Option: B

To raise any number to a power, use?
general knowledge science & technology

  1. the exponent symbol ^.

  2. the built-in library function pow(x,y).

  3. the built-in library function pow10(x).

  4. concatenation.

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Correct Option: B

time_t is?
general knowledge science & technology

  1. a variable used to hold a number from the computer's internal clock.

  2. a data type

  3. a built-in library function which will return a value from the internal clock.

  4. a header file.

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Correct Option: B

The function time(NULL) returns the number of seconds elapsed since 00:00:00 hours ?
general knowledge science & technology

  1. January 1, 1900.

  2. January 1, 1950.

  3. January 1, 1970.

  4. January 1, 1990.

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Correct Option: C

The rand( ) built-in library function?
general knowledge science & technology

  1. is a true random number generator.

  2. returns positive double values.

  3. is a pseudo-random number generator.

  4. returns a different sequence of values each time it is run.

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Correct Option: C