Question

There is a body of software that is responsible for making it easy to run programs, allowing programs to share memory, enabling programs to interact with devices, and other stuff like that. That body of software is called the __________, as it is in charge of making sure the system operates correctly and efficiently in an easy-to-use manner.

		operating system
		process
		linker
		compiler

On a Linux system, which of the following gcc command can be used to compile a C file named aloha.c and generate an executable file named hello.out ?

		gcc aloha.c
		gcc aloha.c -o hello.out
		gcc hello.out
		gcc hello.c
		gcc -o hello.c hello.out

From the OS point of view, a process is a __________.

		C program
		running program
		assembly code
		system call

Answer 1

1) There is a body of software that is responsible for making it easy to run programs, allowing programs to share memory, enabling programs to interact with devices, and other stuff like that. That body of software is called the __________, as it is in charge of making sure the system operates correctly and efficiently in an easy-to-use manner.

Answer : Operating System .

Explanation : Operating System is responsible for providing platform for program to run in the system. It allow programs to share memory with the help of memory management system and make it able to enable programs to interact with devices with the help of software and hardware methods.

2) On a Linux system, which of the following gcc command can be used to compile a C file named aloha.c and generate an executable file named hello.out ?

Answer : gcc aloha.c -o hello.out

Explanation : format for C file to compile in Linux is : gcc programfilename.c -o executablefile.out

3) From the OS point of view, a process is a __________.

Answer : running program

Explanation : Program in running is called process.