What is ADB in Android ?

Correct Answer: There are many answers here: Reduce image sizes, remove unnecessary widgets, HTTP compression, put CSS at the top and script references at the bottom or in external files, reduce lookups, minimize redirects, caching, etc

Correct Answer: Canvas is an element that is used for the graphics for the web page It uses JavaScript to bring the graphics functionality live It allows easy way to draw the graphics and use different types of tools to create drawing on the web page Canvas is just a rectangular area that controls the pixel of every element that is used in the web page Canvas uses methods like paths, circles, etc The canvas element will be used as follows: The canvas element includes id, width and height settings and with the javascript it gets used like:

Correct Answer: Following are the New Media Elements are present in HTML5:

Correct Answer: The emulator lets developers ?play? around an interface that acts as if it were an actual mobile device They can write and test codes, and even debug Emulators are a safe place for testing codes especially if it is in the early design phase

Correct Answer: ilk Test is a Functional testing tool product of Seague software It uses the language called 4GL(fourth Generation Language) It has 2 components, Silk Test Agent - Run on remote machine Silk Test Host - Creating, Modifying, Viewing the scripts Uses of Silk Test tool: 1 It?s a tool developed for performing the regression and functionality testing of the application 2 It benefits when we are testing Window based, Java, the web, and the traditional client/server applications 3 Silk Test help in preparing the test plan and managing them to provide the direct accessing of the database and validation of the field

Correct Answer: Dalvik serves as a virtual machine, and it is where every Android application runs Through Dalvik, a device is able to execute multiple virtual machines efficiently through better memory management

Correct Answer: An Android Intent is an abstract description of an operation to be performed It can be used with startActivity to launch an Activity, broadcastIntent to send it to any interested BroadcastReceiver components, and startService(Intent) or bindService(Intent, ServiceConnection, int) to communicate with a background ServiceThe intent itself, an Intent object, is a passive data structure holding an abstract description of an operation to be performed Android provides many ways of storing data of an application One of this way is called Shared Preferences Shared Preferences allow you to save and retrieve data in the form of key,value pair In order to use shared preferences, you have to call a method getSharedPreferences() that returns a SharedPreference instance pointing to the file that contains the values of preferences

Correct Answer: When the computers on the network simply listen and receive the signal, they are referred to as passive because they don?t amplify the signal in any way Example forpassive topology - linear bus

Correct Answer: Research

Correct Answer: - Divide the data into sections - Add the sections together using 1's complement arithmetic - Take the complement of the final sum, this is the check sum