C Aptitude questions

C Aptitude Questions and Answers With Explanation--1

Read More

Microprocessor and interface viva questions and lab viva

VivA QuestionS and AnswerS in MP InterfacinG LaB - 1
1) What is MicroProcessor?
A:- A MicroProcessor is a multipurpose, programmable, clock-driven, register-based electronic device that reads binary instructions from a storage device called memory, accepts binary data as input and processes the data according to those instruction, and provides results as output.

2) What are the different types of Addressing Modes?
A: - There are 12 different types of Addressing Modes. They are:-
<1> Immediate:-The Immediate data is a part of instruction, and appears in the form of successive bytes.

<2> Direct:-A 16-bit memory address (offset) is directly specified in the instruction as a part of it.

Read More

Chat With Your MS-DOS

Chat With you MS-DOS using IP Address

It is easy and simple trick. We can chat using MS-DOS(we have did this as college experiment in network lab with java code). But i am not going to give you the java code. Our usual Batch Programming.
You can try this in your school or college systems(it should be networked systems).

Step 1:
Get the ip address of your friend’s system.
if you are using college or school system,then ip address will be in particular range.

Step 2:
copy the following Batch code in notepad:
@echo off
:A
Cls
echo TypeIPAddress
set /p n=IPAddress:
set /p m=Message:
net send %n% %m%
Pause
Goto A
Save the file with .bat extension(For Eg: message.bat)

Step 3:
Open command prompt and navigate to that batch file location.
open the file in notepad.

If you don’t know how to move to that path,simply drog and drop in cmd Then hit enter.

Step 4:
Now it will ask you for the IPAddress.
Enter the IP address which you want to send message.
Hit enter
Now it will ask you for the message.
Enter and hit enter
Note:
The user with whom you connecting system’s cmd should be opened in order to receive.

Read More

Hard disk Data recovery software

Data recovery is the process of salvaging data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. Often the data are being salvaged from storage media such as internal or external hard disk drives, solid state drives ( SSD ) , USB flash, storage tapes, CD s, DVD s, RAID, and other electronics. Recovery may be required due to physical damage to the storage device or logical damage to the file system that prevents it from being mounted by the host operating system.

Read More