Effective Task Scheduling and Data Backup Strategies
Accessing Router via LAN
Similar to the previous method, but without a modem. No browser settings are needed.
The router acts as a computer on the network, with each client computer using the gateway router address.
Scheduling Tasks
Automate tasks and procedures such as backups, disk cleanup, and monthly billing (e.g., on the 30th of each month).
Task Scheduler Locations:
- Windows XP: Control Panel, Scheduled Tasks.
- XP, Vista, and 7: Start, Programs, Accessories, System Tools, Scheduled Tasks.
Windows 7
Read MoreVirtual Machines and Operating Systems: Structures
Virtual Machines
A virtual machine (VM) is software that emulates a computer system, capable of running programs like a physical computer. Initially, VMs were defined as “an efficient, isolated duplicate of a physical machine.” The definition has expanded to include virtual machines without direct correspondence to any real hardware.
Operating Systems
An operating system (OS) is a set of programs that integrate with hardware to facilitate user interaction and resource utilization. Key objectives include:
Read MoreAndroid Features, Architecture, and Components
Unit 1
Q.1. What are the Different Features of Android?
Android, a popular mobile operating system, offers a wide range of features. Firstly, it provides a customizable home screen, allowing users to personalize their devices with widgets, app shortcuts, and wallpapers. Android supports multitasking, enabling users to switch between applications effortlessly. It also includes a diverse app ecosystem through Google Play, providing access to millions of apps, games, and utilities. Android emphasizes
Read MoreDistributed Object Computing Technologies: DCOM, CORBA, Java EE, and .NET
DCOM |
Runs on Object Remote Procedure Call (ORPC) protocol. The Service Control Manager (SCM) locates object implementations based on Universally Unique Identifier (UUID) and Class ID (CLSID). Client-side stub: Proxy. Server-side stub: Stub. |
CORBA |
Relies on Internet Inter-ORB Protocol (IIOP). Object Request Broker (ORB) and Dynamic Skeleton Interface (DSI) handle object location and client invocation. Client-side stub: Proxy or stub. Server-side stub: Skeleton. |
Java EE |
Developed by Oracle (formerly Sun Microsystems) |
Conceptual Database Design: Structure & Advantages
Conceptual Design of Databases
Software
It is the database management system, in charge of managing the databases.
Data
It includes the need to store data and metadata, which describe what is stored in the database.
Users
People who manipulate system data. There are three categories:
- End Users: Those who use data from the database for daily work that need not have to do with computers. Normally, they do not use the database directly, but use applications built for them to facilitate handling of the data.
Understanding Internet and Web Services
Internet Services
The Internet offers numerous services, although in practice, we often use only one or two. Different types of Internet services arise depending on how information is accessed.
Key Internet Services
- World Wide Web (WWW): A primary service for accessing information.
- Email: Electronic mail for communication.
- Telnet: Remote connection to other computers.
- File Transfer Protocol (FTP): For transferring files.
- News: News servers for disseminating information.
- Forums and Chats: Enable conversations