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Articles on Trending Technologies
Technical articles with clear explanations and examples
Android AsyncTasks Parallel Execution
Before getting into the example, We should know that, What is asyncTask. AsyncTask is going to do operations/actions in background thread and update on mainthread. Here is the simple solution about Android AsyncTask Parallel Execution.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code we have declare two imageviews and one button, When user click on button it going to download two images from different ...
Read MoreWhy so mangrove roots grow above the ground?
While walking near any lake or forest around the sea, you might have seen a different and unique feature of some trees, whose roots are not under but above the ground. They are known as Mangrove trees and they have aerial roots.Now, the reason why have roots above the land is that they are the underground root type which needs and demands more oxygen. Under the ground, the soil is not able to support or provide enough oxygen to the roots and therefore this root system outgrows aerial roots which grow vertically up to the fresh air above the soil.
Read MoreStatus register of 8257
The status register is of length 8-bits wide. The processor can only read but not write and it is only selected when CS* is 0, A3-0 is 1000, and IOR* is 0.About the present state of 8257 the information about the status is provided. The five blocks are important others are marked 0 since they are not in use.UD1 = Update in progress0 = Update not in progressTCn1 = TC reached for Channel n (n = 0–3)0 = TC not yet reached for Channel nFig: Interpretation of the contents of the status registerThe read operation of the status register is ...
Read More8085 Program to multiply two 2-digit BCD numbers
Now let us see a program of Intel 8085 Microprocessor. This program will find the multiplication result of two BCD numbers.Problem StatementWrite 8085 Assembly language program to find two BCD number multiplication. The numbers are stored at location 8000H and 8001H.DiscussionIn this program the data are taken from 8000H and 8001H. The result is stored at location 8050H and 8051H. As we know that 8085 has no multiply instruction so we have to use repetitive addition method. In this process after each addition we are adjusting the accumulator value to get decimal equivalent. When carry is present, we are incrementing the ...
Read MoreHow to share app data with other applications in android?
In android using implicit intent, we can send data with other applications using ACTION_SEND action. We have to call Intent.createChooser() to open default chooser of android mobile to send the data. it may same or different in Android mobiles.This example demonstrates how to share app data with other applications in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, it contains textview, when user clicks on text view ...
Read More8085 Program to multiply two 16-bit binary numbers
Now let us see a program of Intel 8085 Microprocessor. This program will calculate the multiplication of two 16-bit numbers.Problem StatementWrite 8085 Assembly language program to multiply two 16-bit numbers stored at 8000H -8001H and 8002H - 8003H.DiscussionThis program takes the 16 bit data from memory location 8000H – 8001Hand 8002H – 8003H. The 32 bit results are stored at location 8050H– 8053H.Here we have tested with two 16 bit numbers. The results are as follows 1111H × 1111H = 01234321H 1C24H × 0752H = 00CDFF88HInputfirst inputAddressData......800011800111800211800311......second input AddressData......80002480011C800252800307......Flow DiagramProgramAddressHEXCodesLabelsMnemonicsCommentsF00031, 00, 20LXI SP, 2000H InitializeStack pointerF0032A, 00, ...
Read MoreHas there ever been a battle of books?
Jonathan Swift, the famous satirist of English Literature, wrote 'The Battle of the Books' in 1697. It is a classic prose piece depicting the battle between Moderns and Ancients books using the allegorical example of A Spider and A Bee. The prose is a parody of heroic poetry along the lines of Samuel Butler's parody of battle in Hudibras.Description of Battle of Books by SwiftThe battle began when the Moderns, occupying the lower of the two tops of the hill Parnassus, grew furious over the Ancients on the higher one. The Moderns offered to exchange places so that they could ...
Read MoreWhat are your all-time favorite books to read and why?
Reading enhances thinking and creativity and hence, it is very important to choose the right books that help in developing positive thoughts in your mind.Following are some of the best sellers in the world of books that are popularly read for the depth of their content:Sapiens- A Brief History of HumankindSapiens has become a popular book, especially among the entrepreneurs today. Yuval Noah Harari traces the journey of the evolution of man and his contribution along with different theories propagated by anthropologists. The depth of knowledge in this book is a commendable work and the journey of over 70, 000 ...
Read MoreDescription of the pins of 8257
The 8257 pins are described is given in the table below.Fig. Physical pin diagram of Intel 8257Fig: Functional pin diagram of Intel 82578257 is using a power of 5V.D7-0/A15-8For communicating with the processor there are 8 bidirectional data pins, when the processor is in active and the 8257 s active state it is in slave mode. When the processor remains in the HOLD state and 8257 behaves as the master, they are used to send out the Most Significant 8 bits of memory address.A3-0When the processor remains in active state and are used as address input pins of 8257. Hence ...
Read MoreHow to use RatingBar in android?
Before getting into an example, we should know what is rating bar in android. Rating bar is a subclass of absSeekbar class in android. It is used to show the rating on view Group or window manager.This example demonstrates how to use the rating bar in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have declared Rating bar and set numStars as 5 means ...
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