PRF 192 - SP19 Final Exam with correct answers

standard guarantees uniqueness of ____ characters for internal names. a) 31 b) 63 c) 12 d) 14 A correct answer C99 standard guarantess uniqueness of _____ characters for external names. a) 31 b) 6 c) 12 d) 14 D correct answer Which of the following is not a valid variable name declaration? a) int __a3; b) int __3a; c) int __A3; d) None of the mentioned C correct answer Which of the following is not a valid variable name declaration? a) int _a3; b) int a_3; c) int 3_a; d) int _3a C correct answer Variable names beginning with underscore is not encouraged. Why? a) It is not standardized b) To avoid conflicts since assemblers and loaders use such names c) To avoid conflicts since library routines use such names d) To avoid conflicts with environment variables of an operating system A correct answer All keywords in C are in a) LowerCase letters b) UpperCase letters c) CamelCase letters d) None A correct answer Variable name resolving (number of significant characters for uniqueness of variable) depends on a) Compiler and linker implementations b) Assemblers and loaders implementations c) C language d) None