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which of the following shows the correct hierarchy of arithmetic operations in C a) (), **, * or/,+ or - b) (),**,*,/,+,- c) (),**,/,*,+,- d) (),/ or *,- or +
1779in b=6.6/a+(2*a+(3*c)/a*d)/(2/n); which operation will be performed first a) 6.6/a b) 2*a c) 3*c d) 2/n
1 8060FORMATTED INPUT/OUTPUT functions are a) scanf() and printf() b) gets() and puts() c) getchar() and putchar() d) all the above
1164general for is %wd,f-d; in this system "w" means a) 'w' represent total width of digits b) 'w' represent width which includes the digits before,after decimal place and the decimal point c) 'w' represent width which includes the digits before only d) 'w' represent width after decimal place only
1118in any language the sound structure of that language depends on its a) character set, input/output function, its control structures b) character set, library functions, input/output functions its control structures c) character set, library functions, control sturctures d) character set, operators, its control structures
1253a construct the"else" part of "if" statement contains anoth "if else" statement is called a) if-else b) else-if-else c) if-else-if-else d) chain if/if-else-if
1199in multiple branching construct "default" case is a) optional b) compulsarily c) it is not include in this construct d) none of the above
1118the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above
1304while loop contains parts a) initialisation, evalution of an expression,increment /decrement b) initialisation, increment/decrement c) condition evalution d) none of the above
1299the statement while(i) puts the entire logic in loop. this loop is called a) indefinite loop b) definite loop c) loop syntax wrong d) none of the above
1095exit () is used to a) exit () terminates the execution of the program itself b) exit () terminates the execution of the loop c) exit () terminates the execution of the block d) none of the above
1178any C program contains only one function, it must be a) void () b) main () c) message () d) abc ()
1168
What is the difference between Printf(..) and sprint(...) ?
What is exit() function?
what is stack , heap ,code segment,and data segment
Here is a neat trick for checking whether two strings are equal
The OS is a program that uses various data structures. Like
all programs in execution, you can determine the
performance and other behavior of the OS by inspecting its
state - the values stored in its data structures. In this
part of the assignment, we study some aspects of the
organization and behavior of a Linux system by observing
values of kernel data structures exposed through the /proc
virtual file system.
The /proc virtual file system:
Linux uses the /proc file system to collect information
from kernel data structures. The /proc implementation
provided with Linux can read many different kernel data
structures. If you cd to /proc on a Linux machine, you will
see a number of files and directories at that location.
Files in this directory subtree each corresponds to some
kernel data structure. The subdirectories with numeric
names contain virtual files with information about the
process whose process ID is the same as the directory name.
Files in /proc can be read like ordinary ASCII files. You
can open each file and read it using library routines such
as fgets() or fscanf(). The proc (5) manual page explains
the virtual files and their content available through
the /proc file system.
Requirements in detail:
In this part, you are asked to write a program to report
the behavior of the Linux kernel. Your program should run
in two different versions. The default version should print
the following values on stdout:
• Processor type
• Kernel version
• The amount of memory configured into this computer
• Amount of time since the system was last booted
A second version of the program should run continuously and
print lists of the following dynamic values (each value in
the lists is the average over a specified interval):
• The percentage of time the processor(s) spend in
user mode, system mode, and the percentage of time the
processor(s) are idle
• The amount and percentage of available (or free)
memory
• The rate (number of sectors per second) of disk
read/write in the system
• The rate (number per second) of context switches in
the kernel
• The rate (number per second) of process creations
in the system
If your program (compiled executable) is called proc_parse,
running it without any parameter should print out
information required for the first version. Running it with
two parameters "proc_parse
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What is dangling pointer in c?
What are structures and unions? State differencves between them.
Explain what are header files and explain what are its uses in c programming?
What is difference between arrays and pointers?
What is the explanation for prototype function in c?
What is a #include preprocessor?
What does c mean?
What are enumerated types?
In C language, a variable name cannot contain?
