PRF192 (41 - 80)

What in the following functions are formatted io functions?

• putchar(...)

• getchar()

• println(...)

• scanf(...)

The getchar function ....

• clears the buffer automatically after retrieving

• retrieves data values from every keystroke directly

• treats the whitespace between the input values as a separator

• None of the others

Which of these statements about the scanf function is not true?

• It processes the input based on the entire format string

• The whitespaces between the input values are treated as separators

• If a character that does not meet the next conversion specification in the format string is found, it leaves the offending character in the buffer

• It retrieves data values from every keystroke directly

The function scanf(...) will return ........

• A list of data entered

• 1 if success, 0 if failed

• Number of fields successfully entered

• Value of the first data entered

Data validations do not include ...

• trailing characters

• incorrect number of input fields

• invalid characters

• out-of-range input

• None of the others

Which of the following header files declared functions related to dynamic memory allocation/ de-allocation?

• stdlib.h

• math.h

• stdio.h

• conio.h

The function double pow(double, double) is declared in the header file .......

• conio.h

• math.h

• stdio.h

• stdlib.h

Flagging is the solution of using a masking array to search the inputted valued from the user only.

• True

• False

A binary search algorithm will ....

• keep discarding the half of the remaining subset of elements that does not contain the search value

• calculate the mid-element following the formula (low+high+1)/2

• discard half of the array that does not contain the search value

• return the last index when searching founds

• work with any array

Which of these statements about arrays is true?

• To refer to an element, we use the array name followed by parentheses notation around the element index

• Index numbering starts at 1 and extends to the size of the array

• The index can be an integer variable, an integer expression or an integer constant

• A C- array can stored elements in different data types