30 Questions
What is the primary function of a compiler?
To transform program instructions into bits and bytes
What is the main difference between programming languages and human languages?
Programming languages require more precision
What is the ultimate interpreter of a computer program?
The hardware
How many programming languages are there?
Over 2500
What is the characteristic of third, fourth, and fifth generation programming languages?
They are high-level languages with no direct connection to machine language
What is the primary goal of writing a program in a programming language?
To provide instructions that the hardware can execute
What is the main difference between programming and writing a formal report?
Programming is a more arduous task
What is the role of a compiler in the programming process?
To transform the program instructions into machine-readable code
What is the characteristic of high-level languages?
They are more human-like
What is the purpose of the C language?
To convert programs into binary instructions that hardware can execute
What is the role of the operating system after loading the executable code into RAM?
It transfers control to the program's entry point.
What happens if we change the identifier 'printf' to 'PRINTF' and recompile?
The compiler will report a syntax error.
What is the purpose of the last statement 'return 0;' in the program?
It transfers control back to the operating system.
What is the significance of the pair of braces that follow the 'main' clause?
They include the program instructions.
What is the effect of changing 'This is C' to 'THIS IS C' in the program?
The compiler accepts the change without any issue.
What does the statement 'printf("This is C");' do?
It outputs 'This is C' to the standard output device.
What is the importance of the clause 'int main(void)'?
It declares a function with a return type of int.
What is the significance of the compiler being case sensitive?
It treats uppercase and lowercase letters as different characters.
What is the purpose of the line before 'int main(void)'?
It provides information about the 'printf' identifier.
What is the role of the 'return 0;' statement in the program?
It terminates the program with a success status.
What is the primary advantage of using a high-level language?
It is easier to read and port across different platforms
What is the primary function of a C compiler?
To convert C language statements into machine language
What is the purpose of the main function in a C program?
To define the program's entry point
What is the difference between source code and binary code?
Source code is written in a high-level language, while binary code is written in machine language
What is the purpose of whitespace in C programming?
To enhance the readability of the program
What is the difference between a C compiler and an interpreter?
A C compiler translates source code into machine language, while an interpreter executes source code directly
What is the purpose of comments in C programming?
To self-document the source code and enhance its readability
What is the default output file name produced by the gcc compiler?
a.out
What is the purpose of the command 'gcc hello.c' in Linux?
To compile the hello.c program into machine language
What is the purpose of indentation in C programming?
To show the structure of the program and enhance its readability
Learn about the role of compilers in transforming program instructions and data into computer-readable bits and bytes. Understand how compilers interpret programming languages and prepare data for hardware interpretation.
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