Lathisha Shaik

 

INTRODUCTION TO ANDROID Android is a powerful, open-source operating system based on the Linux kernel. Developed by Google, Android has become the most popular mobile operating system globally, powering billions of devices with a seamless user experience and a robust ecosystem of applications. 1. Linux Kernel Definition : The Linux kernel is the core of the Android platform, providing essential system services such as process management, memory management, security, networking, and power management. Importance : Leveraging the Linux kernel offers Android robust security features, stable performance, and wide compatibility with hardware drivers, making it easier for manufacturers to integrate various hardware components. Key Components : Process Management : Manages application execution and CPU allocation. Memory Management : Optimizes RAM usage and virtual memory. Security : Implements user permissions and SELinux for enhanced security. Networking : Manages ...

INTRODUCTION Profiling is a crucial aspect of programming that involves measuring the performance of a program, identifying bottlenecks, and optimizing code WHAT IS PROFILING? Profiling is the process of collecting statistics about the execution of a program. This includes measuring how much time each function takes, how many times each function is called, and how much memory is used. WHY PROFILE YOUR CODE? Identify Bottlenecks Optimize Performance Improve User Experience Cost Savings PROFILING TOOLS IN PYTHON Python offers several tools for profiling: cProfile : A built-in profiler that provides detailed statistics about program execution. timeit : A module to measure execution time of small code snippets. line_profiler : A third-party module for line-by-line profiling. memory_profiler : A third-party module to monitor memory usage. 1. Getting Started with cProfile Installing cProfile python -m cProfile my_script.py Interpreting cProfile Output The output i...

INTRODUCTION Project Name:  GrepInfo Purpose:   An automated framework for retrieving device specifications. Developed In Purpose:  Python Specification to be Collected: Hardware Specifications Software Specifications CPU Specifications Memory Specifications Display Specifications   ROOTED VS NON- ROOTED DEVICES Rooted Devices: Rooted devices are like super-powered phones that let you change almost anything you want. You can customize your phone to do things it couldn't do before, like making it faster or removing apps you don't need. Non-Rooted Devices: Non-rooted devices are like regular phones that stick to the rules set by the phone's maker. They're safer and more stable, but you can't tweak them as much as rooted phones.   T YPES OF DEVICES FOR RETRIEVING SPECS 1. Commercial Devices (Non-Rooted Devices): Description:  Standard smartphones ...

  1.1   Statements and the structure of a program Understanding Statements A computer program is a set of instructions for the computer to execute. In C++, an instruction that makes the program do something is called a statement. Statements are like sentences in a language, conveying complete ideas. Most statements in C++ end with a semicolon (;). For example:  std::cout << "Hello, world!";  This line is a statement that tells the computer to display "Hello, world!" on the screen. Types of Statements There are various kinds of statements in C++: 1.       Declaration statements -   The declaration statement establishes a name and associated data type. Eg: int x; 2.       Expression statements - An expression is something that can be evaluated to a value. Eg: x = 5; 3.       Compound statements - A group of statements contained in c...