Which of the following are characteristics of recursive functions?
Recursive functions require base cases, use stack memory, and risk stack overflow. They are generally not faster than iterative equivalents due to call overhead.
Which of the following operator pairs have equal precedence in C?
Addition and subtraction share precedence level. Multiplication and division share precedence level. Logical AND has higher precedence than Logical OR. Bitwise AND has higher precedence than Bitwise OR.
Which of the following statements about C strings (null-terminated character arrays) are CORRECT?
Strings end with '\0'. %s prints up to '\0'. sizeof("cat") includes '\0' (4 bytes). strlen("cat") counts characters excluding '\0' (3).
Which of the following keyword declarations create read-only variables or pointers in C?
const creates read-only variables or pointers. static affects storage duration and linkage, not read-only access.
Which of the following control structures check their execution condition after executing the body?
do-while is a post-test loop checking condition after executing the body. for and while are pre-test loops checking before execution.