ans: are by defaultbuffered
Named pipes are ansd:strictly unidirectional, even on systems where anonymous pipes are bidirectional ( full-duplex).
proto type of printf
ans: int fprintf(FILE *stream, const char *format, …)
user level switcjing is faster than the kernel level s/w
ans:since a trap to kernel is not required(user level thread is not known by the os)
automatic variables are stored in
dynamic meory is it allocated from heap/satck…?
how to find the size of file in unix
Technical
How many times is the for loop executed
for(i=0;i<10;i++);
a. 1
b. 10
c. compiler error
d. not executed
How many times is the for loop executed
for(i=0;i<10;i++);
a. 1
b. 10
c. compiler error
d. not executed
for selection, we use
a .if..else
b .for loop
c. while loop
d…..
Which of the following is executed 1rst?
i .&& ii.|| iii.!
a. i
b. ii
c. iii
d. all are equal
To find o/p of a recursive pgm, function where in parameters are passed by value,reference……function used in
ansi computers to clear the screen is:
a. clrsc
b. clear
c. clescr
d. none of the above
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