lesson 2 few

Question 1

world’s most popular mobile operating system

Answer 1

android

Question 1

this provides essential services such as hardware abstraction, memory management, and process management

Answer 1

Linux kernel

Question 2

core layer that interacts directly with the hardware and provides essential services and functionality

Answer 2

Linux kernel

Question 3

enforces security by implementing user and group permissions. ensures that processes and applications can only access resources for which they have permissions

Answer 3

security and permissions

Question 4

supports various file systems, including EXT4, FAT, NTFS. this support is crucial for managing storage devices and file access by applications

Answer 4

file system support

Question 5

for optimizing battery life on mobile devices. it controls cpu frequencies, screen brightness, device sleep states, and other power-related functions

Answer 5

power management

Question 6

pipes, sockets, and message queues to facilitate communication between processses

Answer 6

interprocess communication (IPC)

Question 7

Q
supports real-time features in embedded and specialized systems, where precise timing and predictability are essential

Answer 7

real-time features

Question 8

these provide core functionality to the android system and are accessible to both system-level processes and android applications

Answer 8

platform libraries

Question 9

subset of the OpenGL graphics rendering API. it allows android to leverage hardware acceleration for graphics rendering. this creates visually appealing and responsive user interfaces

Answer 9

OpenGL Embedded Systems

Question 10

open-source web rendering engine. it is used to render HTML content within applications, including web browsers, email clients, and web-based views

Answer 10

Webkit (Web Rendering Engine)

Question 11

responsible for managing the display subsystem in Android. create and manage graphical surfaces for rendering UI elements, animations, and video playback

Answer 11

surface manager

Question 12

these libraries provide secure communication over the internet by implementing encryption protocols such as secure socket layer and transport layer security

Answer 12

SSL/TLS libraries

Question 13

offer support for specific functions, such as image decoding, audio processing, and more

Answer 13

other native libraries

Question 14

these libraries contain the core Java and Kotlin libraries used by android applications. they provide essential functionality for applications such as data structures and utilities

Answer 14

core libraries

Question 15

layer that provides high-level abstractions and services for application development. offers a structured and consistent way for developers to interact with the Android system

Answer 15

Application Framework

Question 16

enables data sharing between applications and manages access to structured data, allowing apps to securely interact with each other’s data

Answer 16

content provider

Question 17

handles non-code resources like images, strings, and layout files, making it easier for developers to manage app resources

Answer 17

Resource Manager

Question 18

provides access to location-based services and GPS functionality for location-aware applications

Answer 18

location manager

Question 19

manages user interface components such as layouts, views, and widgets, enabling the creation of visually appealing and interactive user interfaces

Answer 19

view system

Question 20

manages the installation, update and removal of applications, ensuring a secure and organized app ecosystem

Answer 20

package manager

Question 21

provides access to telephony-related services for voice and data communication, facilitating mobile communication apps

Answer 21

telephony manager