When we execute a C program, CPU runs in ____ mode.(a) user(b) kernel(c) supervisory(d) systemI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from System Calls Basics topic in portion System Programming I – Files of Unix

When we execute a C program, CPU runs in ____ mode.(a) user(b) kernel(

1.	When we execute a C program, CPU runs in ____ mode.(a) user(b) kernel(c) supervisory(d) systemI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from System Calls Basics topic in portion System Programming I – Files of Unix
Answer» Correct answer is (a) user For explanation I would SAY: When we execute a C PROGRAM, the CPU runs in user mode. It remains it this particular mode until a system CALL is invoked.

Discussion

No Comment Found

Related InterviewSolutions

Which of the following system call uses file descriptor as an argument?(a) read(b) write(c) close(d) read, write, closeI have been asked this question in quiz.Question is from File Handling System Calls in chapter System Programming I – Files of Unix
System calls and library functions are same.(a) True(b) FalseThis question was addressed to me at a job interview.I'm obligated to ask this question of File Handling System Calls in portion System Programming I – Files of Unix
For changing the time stamps, _____ system call is invoked.(a) atime(b) utime(c) mtime(d) chI got this question in an online quiz.The doubt is from File Handling System Calls in section System Programming I – Files of Unix
chmod and fchmod calls are used for changing file permissions.(a) True(b) FalseThis question was addressed to me in an internship interview.Enquiry is from File Handling System Calls in portion System Programming I – Files of Unix
Both the owner and group owner can be changed by ____ call.(a) chown(b) chgrp(c) chuser(d) chI had been asked this question in class test.This question is from File Handling System Calls in portion System Programming I – Files of Unix
Which of the following is used with access call for checking the owner’s permissions?(a) R_OK(b) W_OK(c) X_OK(d) R_OK, W_OK, X_OKThis question was addressed to me in an internship interview.I want to ask this question from File Handling System Calls topic in section System Programming I – Files of Unix
For checking a file access rights, ___ system call is used.(a) acc(b) access(c) axs(d) filertThis question was posed to me in an interview for internship.My question is from File Handling System Calls in chapter System Programming I – Files of Unix
Which of the following macro returns true if the file type is a directory?(a) S_ISREG(b) S_ISDIR(c) S_ISCHR(d) S_ISFIFOThis question was addressed to me during an interview.The origin of the question is File Handling System Calls topic in chapter System Programming I – Files of Unix
S_IFxxx macros are used for checking the file types.(a) True(b) FalseI have been asked this question in unit test.The question is from File Handling System Calls topic in portion System Programming I – Files of Unix
____ system call is used for renaming a file, directory or symbolic link.(a) renam(b) rename(c) ren(d) changeThis question was addressed to me by my college professor while I was bunking the class.The doubt is from File Handling System Calls topic in division System Programming I – Files of Unix

When we execute a C program, CPU runs in ____ mode.(a) user(b) kernel(c) supervisory(d) systemI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from System Calls Basics topic in portion System Programming I – Files of Unix

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment