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Articles by Chandu yadav
Page 29 of 81
Microprocessor Basics
The processor on a single chip is called a Microprocessor which can process micro-instructions. Instructions in the form of 0s and 1s are called micro-instructions. The microprocessor is the CPU part of a microcomputer, and it is also available as a single integrated circuit. Thus as main components, the microprocessor will have the Control Unit (CU) and the Arithmetic Logic Unit (ALU) of a microcomputer. An example is Intel 8085 microprocessor. In addition to the microprocessor features, a microcomputer will have the following additional features −ROM / PROM / EPROM / EEPROM for storing programRAM for storing data, intermediate results, ...
Read More16-bit microprocessors
In computer architecture, 16-bit integers, memory addresses, or other data units are those that are 16 bits (2 octets or 2 Bytes) wide. Also, 16-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size. 16-bit microcomputers are computers in which 16-bit microprocessors were the norm.As n-bit register can store 2n different values. So as a result, 16-bit register can store 216 different values. If we consider the signed range of integer values that can be stored in 16 bits is −32, 768 (−1 × 215) through 32, 767 (215 − ...
Read MoreHow to draw triangle shape in android?
This example demonstrate about How to draw triangle shape 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 taken imageview and added background as background.xml.Step 3 − Add the following code to drawable/ background.xml Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of ...
Read MoreHow to draw love shape in android?
This example demonstrate about How to draw love shape 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 taken imageview and added background as background.xml.Step 3 − Add the following code to drawable/ background.xml Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open ...
Read MoreHow to remove button bar at the bottom screen?
This example demonstrate about How to remove button bar at the bottom screen.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 taken the digital clock view to show a clock.Step 3− Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.annotation.TargetApi; import android.content.pm.ActivityInfo; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.Window; import android.view.WindowManager; public class MainActivity extends AppCompatActivity { @TargetApi(Build.VERSION_CODES.LOLLIPOP) ...
Read MoreNumber of instructions in 8085 Microprocessor
INTEL 8085 has a very enriched Instruction Set. Varieties of instructions it can execute. Instructions will have different Byte counts, ranging from 1-Byte to 3-Bytes. Opcode always occupies 1-Byte in the memory. As we know that, with 8 bits for the opcode, 28 = 256 distinct opcodes are possible. In hexadecimal notation, the opcodes can range from 00H to FFH. Each opcode will correspond to an instruction. Thus from the calculation, it is possible to have 256 instructions in the instruction set of 8085. However, only 246 opcodes are implemented in 8085. They can be classified under 66 types, which ...
Read MoreVcc and Vss pins
VCC (Voltage Common Collector) is the higher voltage with respect to GND (ground). VCC is the power input of a device. It may be positive or negative with respect to GND. When the only positive power supply is used then VSS (Voltage Source Supply) means ground or zero. The Intel 8085 Microprocessor needs a power supply of +5 V DC for its working. Pin 40 of Intel 8085 is the Vcc pin. It should be connected to +5 V DC power supply. Pin 20 of 8085 is the Vss pin.
Read MoreHow to get information about network roaming is enabled or not in android?
This example demonstrate about How to get information about network roaming is enabled or not 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 taken a text view to show information about network roaming is enabled or notStep 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import ...
Read MoreHow to get device location in android?
This example demonstrate about How to get device location 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 taken a text view to show device location.Step 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.widget.TextView; import static android.Manifest.permission.ACCESS_COARSE_LOCATION; import static android.Manifest.permission.READ_PHONE_NUMBERS; ...
Read MoreHow to get default Sim Operator id in android?
This example demonstrate about How to get default Sim Operator id 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 taken a text view to show device sim operator id.Step 3 − Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.widget.TextView; import static ...
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