All Questions - CS Electrical & Electronics

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Which of the following is the correct method to print the value 10 to console using this variable -> int A = 10;
AnsweredAnonymous asked 4 years ago • C Language
1231 views2 answers2 votes
Which database concept describes the structure inside the database?
AnsweredAnonymous asked 4 years ago • Database
14650 views1 answers0 votes
read method returns _____ when an underlying buffer is empty (assume that file is opened with default flags)
AnsweredAnonymous asked 3 years ago • Embedded System
1200 views1 answers-2 votes
Viruses can only propagate through electronic mail?
AnsweredAnonymous answered 3 years ago • Cyber Security
600 views0 answers0 votes
Identify valid syntax for object creation using default constructor for a class account?
AnsweredAnonymous asked 3 years ago • Cpp Language
762 views0 answers0 votes
Overloading post increment as member function takes _____ no of arguments?
AnsweredAnonymous asked 3 years ago • Cpp Language
1555 views1 answers0 votes
Identify invalid assignment from the following, considering Shape as base class and circle as derived class
AnsweredAnonymous asked 3 years ago • Cpp Language
1096 views1 answers-1 votes
Sometimes a program needs to perform operations that don't belong with any of the other objects. According to the Pure Fabrication principle of the GRASP approach to object-oriented design, what do you need to create to handle that operation?
AnsweredAnonymous asked 4 years ago • Cpp Language
19701 views2 answers0 votes
Identify errors in following code
AnsweredAnonymous answered 3 years ago • Cpp Language
432 views0 answers0 votes
Dynamic modules are stored in ______ location and with extension ____
OpenAnonymous asked 3 years ago • Embedded System
591 views0 answers0 votes
______ API is to check the remaining space available in kfifo?
OpenAnonymous asked 3 years ago • Embedded System
509 views0 answers0 votes
In Linux kernel source ______ header provides list APIs?
OpenAnonymous asked 3 years ago • Embedded System
675 views0 answers1 votes
Linux kernel is of ______ architecture?
OpenAnonymous asked 3 years ago • Embedded System
469 views0 answers2 votes
____ API is used to print messages in kernel space that are stored in kernel log?
OpenAnonymous asked 3 years ago • Embedded System
440 views0 answers-1 votes
In character driver _____ API is used to create device file automatically when the module is loaded?
OpenAnonymous asked 3 years ago • Embedded System
365 views0 answers-2 votes
why we have to use embedded linux
OpenAnonymous asked 3 years ago • Embedded System
399 views0 answers0 votes
Why user mode and kernel mode are required
OpenAnonymous asked 3 years ago • Embedded System
346 views0 answers0 votes
____ command is used to check the kernel version
OpenAnonymous asked 3 years ago • Embedded System
407 views0 answers-2 votes
In Linux ____ file represents symbol table of kernel space?
OpenAnonymous asked 3 years ago • Embedded System
537 views0 answers0 votes
Which is correct about modprobe command?
OpenAnonymous asked 3 years ago • Embedded System
485 views0 answers0 votes
____ modifiers are specified for init, exit routines of the kernel module to specify that these functions are exclusively for module initialization and cleanup only
OpenAnonymous asked 3 years ago • Embedded System
595 views0 answers-2 votes
The following entry is used for building ___
OpenAnonymous asked 3 years ago • Embedded System
610 views0 answers-2 votes
modinfo command can be used for _____ ?
OpenAnonymous asked 3 years ago • Embedded System
474 views0 answers0 votes
struct file_operations, ____ methods will support open, close requests from userspace?
OpenAnonymous asked 3 years ago • Embedded System
743 views0 answers0 votes
rmmod command can be used for ____?
OpenAnonymous asked 3 years ago • Embedded System
1578 views0 answers0 votes
Write your own system call which traverses entire process list and logs pid, ppid, command name of each process , Hint:- next_task, init_task
OpenAnonymous asked 3 years ago • Operating System
280 views0 answers0 votes
Write your own system call which returns various attributes of calling process (by passing an empty structure variable), Hints:- sched.h, struct task_struct, current macro
OpenAnonymous asked 3 years ago • Operating System
285 views0 answers0 votes
Write your own system call which logs various attributes of calling process
OpenAnonymous asked 3 years ago • Operating System
372 views0 answers0 votes
Write your own system call which returns pid of calling process
OpenAnonymous asked 3 years ago • Operating System
456 views0 answers0 votes
Write your own system call which logs pid, ppid of calling process
OpenAnonymous asked 3 years ago • Operating System
357 views0 answers0 votes
Write your own system call which returns reversed string (or) echo back
OpenAnonymous asked 3 years ago • Operating System
324 views0 answers0 votes
Write your own system call which returns length of passed string
OpenAnonymous asked 3 years ago • Operating System
314 views0 answers0 votes
Write your own system call which takes simple parameters
OpenAnonymous asked 3 years ago • Operating System
336 views0 answers0 votes
A module paramter should be delcared as
AnsweredAnonymous asked 3 years ago • Operating System
400 views1 answers0 votes
Identify correct syntax of specifying module parameter along with insmod
AnsweredAnonymous asked 3 years ago • Operating System
427 views1 answers0 votes
Identify right syntax of exporting symbol mygreet
AnsweredAnonymous asked 3 years ago • Operating System
432 views1 answers0 votes
/proc/kallsyms file provides
AnsweredAnonymous asked 3 years ago • Operating System
559 views1 answers0 votes
lsmod command can be used to list out
AnsweredAnonymous asked 3 years ago • Operating System
477 views1 answers0 votes
A loadable kernel module will have an extension of ____
AnsweredAnonymous asked 3 years ago • Operating System
434 views1 answers0 votes
______ command is used to unload a dynamic module
AnsweredAnonymous asked 3 years ago • Operating System
500 views1 answers0 votes
____ command is used to load an out-tree dynamic modules
AnsweredAnonymous asked 3 years ago • Operating System
428 views1 answers0 votes
A kernel module entry function should be specified with __________ macro
AnsweredAnonymous asked 3 years ago • Operating System
491 views1 answers0 votes
Identify correct entry in Makefile to build a dynamic module
AnsweredAnonymous asked 3 years ago • Operating System
568 views1 answers0 votes
Identify correct sequence of targets can be used with make while building kernel
AnsweredAnonymous asked 3 years ago • Operating System
411 views1 answers0 votes
______ is uncompressed kernel image under KSRC
AnsweredAnonymous asked 3 years ago • Operating System
464 views1 answers0 votes
_____option of uname command is used to check timestamp of recent kernel build
AnsweredAnonymous asked 3 years ago • Operating System
504 views2 answers0 votes
zImage is the uncompressed kernel image
AnsweredAnonymous asked 3 years ago • Operating System
546 views1 answers0 votes
Kernel configuration is stored in the name of
AnsweredAnonymous asked 3 years ago • Operating System
403 views1 answers0 votes
For cross compiling kernel ____________ options can be used along with make command
AnsweredAnonymous asked 3 years ago • Operating System
421 views1 answers0 votes
______target of make command brings ncurses based UI for customizing kernel
AnsweredAnonymous asked 3 years ago • Operating System
417 views1 answers0 votes
____target of make command will remove built files and all generated files
AnsweredAnonymous asked 3 years ago • Operating System
494 views1 answers0 votes
mount: /mnt/rootfs: mount point does not exist.
OpenAnonymous asked 3 years ago • Operating System
450 views0 answers0 votes
make: *** /home/WorkLi/Work/kbuild/linux-5.15.2/: No such file or directory. Stop.
OpenAnonymous asked 3 years ago • Operating System
377 views0 answers0 votes
make: *** No rule to make target 'firmware'. Stop.
OpenAnonymous asked 3 years ago • Operating System
480 views0 answers0 votes
qemu-system-arm: -kernel: Could not open ' -kernel': No such file or directory
OpenAnonymous asked 3 years ago • Operating System
731 views0 answers0 votes
Unable to init server: Could not connect: Connection refused
OpenAnonymous asked 3 years ago • Operating System
580 views0 answers0 votes
Very little portion of kernel source code is architecture dependent
OpenAnonymous asked 3 years ago • Operating System
475 views1 answers0 votes
Identify valid kernel version from the following (as per history & latest release)
OpenAnonymous asked 3 years ago • Operating System
413 views1 answers0 votes
Customized Kernel code maintained by chip vendors/community players is known as
OpenAnonymous asked 3 years ago • Operating System
429 views1 answers0 votes
Kernel code is majorly written in C language
OpenAnonymous asked 3 years ago • Operating System
406 views1 answers0 votes
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