Profilers are
A. | Tools that analyze the run time behaviour of a program |
B. | Tools that check a C code for cross file consistency |
C. | Tools that keep track of evolving versions of a file |
D. | None of the above |
Option: A Explanation : Click on Discuss to view users comments. |
The shell command :
A. | Does nothing |
B. | Can be used to cause infinite looping |
C. | Can take arguments but it cannot act on them |
D. | All of these |
Option: D Explanation : Click on Discuss to view users comments. |
Which of the following tools can be used to keep track of evolving versions of a file
A. | make |
B. | yacc |
C. | sccs |
D. | dv |
Option: C Explanation : Click on Discuss to view users comments. |
The .(dot) shell command
A. | Can take command line argument |
B. | Will fork a child shell to execute the named shell script |
C. | Can be used to change the environment of the current shell |
D. | All of the above |
Option: C Explanation : Click on Discuss to view users comments. |
m4
A. | is a macro processor |
B. | can he used to preprocess C code |
C. | can be used to preprocess assembly language program |
D. | none of the above |
Option: C Explanation : cpp is 'C' preprocessor, m4 is a general purpose macro processor that can he used to pre-process C. as well as assembly language programs. Unlike cpp, it can do integer arithmetic. some string and substring manipulation, in addition to tile inclusion and conditional macro expanion which can be done by cpp also Click on Discuss to view users comments. |