MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your C Multiple Choice knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following option is the full set of character class Hexadecimal digits? |
| A. | { 0 1 2 3 4 5 6 7 8 9 A B C D E F } |
| B. | { 0 1 2 3 4 5 6 7 8 9 a b c d e f } |
| C. | { 0 1 2 3 4 5 6 7 8 9 A B C D E F a b c d e f } |
| D. | { 0 1 2 3 4 5 6 7 8 9} |
| Answer» D. { 0 1 2 3 4 5 6 7 8 9} | |
| 2. |
The toupper() function converts a ______ to the corresponding ______ |
| A. | uppercase, lowercase |
| B. | lowercase, uppercase |
| C. | binary, decimal |
| D. | decimal, binary |
| Answer» C. binary, decimal | |
| 3. |
THE_STANDARD_WHITE-SPACE_CHARACTERS_ARE_THE_FOLLOWING:_SPACE_('_'_),_FORM_FEED_('_\_F_'_),?$ |
| A. | , horizontal tab (' \tr), and vertlcal tab (' \v' ) can be tested with function. |
| B. | ispunct() |
| C. | isalpha() |
| D. | isgraph() |
| Answer» E. | |
| 4. |
WHICH_AMONG_THE_FOLLOWING_OPTION_IS_THE_FULL_SET_OF_CHARACTER_CLASS_HEXADECIMAL_DIGITS??$ |
| A. | { 0 1 2 3 4 5 6 7 8 9 A B C D E F } |
| B. | { 0 1 2 3 4 5 6 7 8 9 a b c d e f } |
| C. | { 0 1 2 3 4 5 6 7 8 9 A B C D E F a b c d e f } |
| D. | { 0 1 2 3 4 5 6 7 8 9} |
| Answer» E. | |
| 5. |
This function checks whether the passed character is white-space? |
| A. | ispunct() |
| B. | isgraph() |
| C. | isspace() |
| D. | isalpha() |
| Answer» E. | |
| 6. |
ch = 0xC is hexadecimal characte? |
| A. | ch = 0xC is not hexadecimal character |
| B. | compile error |
| C. | run-time error |
| Answer» D. | |
| 7. |
Which function returns true only for the characters defined as lowercase letters? |
| A. | islow() |
| B. | islower() |
| C. | isalpa() |
| D. | isalnum() |
| Answer» E. | |
| 8. |
The C library function checks whether the passed character is printable. |
| A. | isgraph() |
| B. | isalpha() |
| C. | isprint() |
| D. | ispunct() |
| Answer» B. isalpha() | |
| 9. |
tests for only space character |
| A. | tests for only digit |
| B. | tests for only lower case |
| C. | tests for any printing character |
| Answer» C. tests for any printing character | |
| 10. |
ch = ‘ ‘ can be printed$ |
| A. | ch = ‘ ‘ cannot be printed |
| B. | compile error |
| C. | run-time error |
| Answer» D. | |
| 11. |
isalpha() function is used to detect characters both in uppercase and lowercase. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 12. |
fgetc, getc, getchar are all declared in ________ |
| A. | stdio. h |
| B. | ctype. h |
| C. | assert. h |
| D. | stdarg. h |
| Answer» B. ctype. h | |
| 13. |
The______function tests for any character for which isalpha or isdigit is true. |
| A. | isxdigit() |
| B. | isspace() |
| C. | isalnum() |
| D. | isupper() |
| Answer» D. isupper() | |
| 14. |
The toupper() function converts a______to the corresponding______ |
| A. | uppercase, lowercase |
| B. | lowercase, uppercase |
| C. | binary, decimal |
| D. | decimal, binary |
| Answer» C. binary, decimal | |
| 15. |
The________function converts an uppercase letter to the corresponding lowercase letter. |
| A. | islower() |
| B. | isupper() |
| C. | toupper() |
| D. | tolower() |
| Answer» E. | |