Related InterviewSolutions

• Why are functions extern by default?(a) Because functions are always private(b) Because those are not visible throughout the program(c) Because those can’t be accessed in all parts of the program(d) Because those are visible throughout the programThis question was addressed to me in an international level competition.This intriguing question originated from Extern Variable in portion Memory Allocation & Scope of Variable of Object Oriented Programming
• If extern variable is initialized with the declaration then _______________________(a) Also the header file with definition is required(b) The header file with definition must be included(c) There is no need to include any other header file for definition(d) The extern variable produces compile time errorThis question was addressed to me during an interview.This question is from Extern Variable in portion Memory Allocation & Scope of Variable of Object Oriented Programming
• If the definition is given in the header file that we include then ________________(a) The program can run successfully(b) Also the program should define the extern variable(c) The extern variable must contain two definitions(d) Extern variable can’t be used in the programThe question was asked by my school teacher while I was bunking the class.This question is from Extern Variable topic in chapter Memory Allocation & Scope of Variable of Object Oriented Programming
• Which is the correct syntax for extern function declaration?(a) extern function_name(argument_list);(b) extern return_type function_name(argument_list);(c) extern (return_type)function_name(argument_list);(d) return_type extern function_name(argument_list);This question was posed to me in unit test.My question is based upon Extern Variable topic in chapter Memory Allocation & Scope of Variable of Object Oriented Programming
• Which is the correct syntax for extern variable declaration?(a) extern data_type variable_name;(b) extern variable_name;(c) data_type variable_name extern;(d) extern (data_type)variable_name;I have been asked this question in unit test.Question is taken from Extern Variable topic in section Memory Allocation & Scope of Variable of Object Oriented Programming
• Which of the following results in the allocation of memory for the extern variables?(a) Declaration(b) Definition(c) Including file(d) Memory is not allocated for extern variablesI have been asked this question in my homework.Asked question is from Extern Variable in chapter Memory Allocation & Scope of Variable of Object Oriented Programming
• Even if a variable is not declared as extern, it is extern by default.(a) True(b) FalseI got this question by my school principal while I was bunking the class.This question is from Extern Variable in chapter Memory Allocation & Scope of Variable of Object Oriented Programming
• Whenever a function is declared in a program _____________________(a) extern can be used only in some special cases(b) extern can’t be used(c) function is extern by default(d) it can’t be made externI got this question in examination.This intriguing question comes from Extern Variable in chapter Memory Allocation & Scope of Variable of Object Oriented Programming
• Which condition is true if the extern variable is used in a file?(a) All the header files declare it(b) Only few required files declare it(c) All header files declared it if required(d) Only one header file should declare itThis question was addressed to me in semester exam.My doubt is from Extern Variable topic in division Memory Allocation & Scope of Variable of Object Oriented Programming
• What does a header file contain for an extern variable?(a) Only declaration of variables(b) Only definition of variables(c) Both declaration and definition of variables(d) Neither declaration nor definitionThis question was posed to me in examination.Enquiry is from Extern Variable in division Memory Allocation & Scope of Variable of Object Oriented Programming