Computer Skills & Programming Concepts I Lectures 1-6 PDF

Computer Skills & Programming Concepts I UEC01 – PCD104 – PCC104 – HGCP101 Lectures 1-6 Course Coordinator: Assoc. Prof. Mohamed Ismail Badawi 0  2 PUA – Computer Center – UEC01  Comp...

Computer Skills & Programming Concepts I UEC01 – PCD104 – PCC104 – HGCP101 Lectures 1-6 Course Coordinator: Assoc. Prof. Mohamed Ismail Badawi 0  2 PUA – Computer Center – UEC01  Computer Skills & Programming Concepts I UEC01 – PCD104 – PCC104 – HGCP101 I. Computer Essentials Lectures 1-6 Course Coordinator: Assoc. Prof. Mohamed Ismail Badawi PUA – Computer Center – UEC01 Course Coordinator: Assoc. Prof. Mohamed Ismail Badawi Instructors: ▪Eng. Mohamed Ahmed Taha ▪Eng. Maher Habashy ▪Eng. Angy Saleh ▪Eng. Yasser Abd El Aziz ▪Eng. Reham Refaat ▪Eng. Nehal Essam 4 PUA – Computer Center – UEC01 Lecture 3 5 PUA – Computer Center – UEC01  Computer System  It will be divided to…… People Hardware Software - Hardware is the physical components - They enable the computer to do which you can see with your eyes, touch the tasks we need. with your hand 6 PUA – Computer Center – UEC01 Computer Users and Professionals  Computer Users (end users)  People who use a computer to obtain information  Computer professionals include:  Programmers  Write programs computers use People  Systems analysts  Design computer systems  Computer operations personnel  Manage day-to-day computer operations such as maintaining systems or troubleshooting user-related problems.  Security specialists  Secure computers and networks against hackers 7 PUA – Computer Center – UEC01  Software  Unphysical components of the PC that enable it to perform the task we need.  Programs are set of instructions that directs the hardware to do a required task and produce the desired results Software System Software Application Software 8 PUA – Computer Center – UEC01 System Software vs. Application Software  System Software: the operating system and utility programs that control a computer system and allow you to use your computer.  Enables the boot process, launches applications, transfers files, controls hardware configuration, manages files on the hard drive, and protects from unauthorized use.  Application Software: programs that allow a user to perform specific tasks on a computer.  Word processing, playing games, browsing the Web, listening to music, etc. PUA – Computer Center – UEC01  Systems Software  All programs related to coordinating computer operations  Examples  Operating systems  Language translators  Convert program code from higher level language (i.e. Basic, C, Python, java …) to machine-readable language  Ex: Compilers or Interpreters  Utility programs  Perform specific tasks usually related to managing or maintaining the computer system, either built into operating systems or stand-alone products.  Ex: File Manager (Windows Explorer), File Compression (WinRAR), Disk defragmenter, viewing images, Backup and Recovery Utilities, Uninstall and Cleanup Utilities, Antivirus, Antispyware, Firewalls, and Other Security Programs etc.  Device Drivers 10 PUA – Computer Center – UEC01  Device Drivers Hardware Hardware Software Software 11 PUA – Computer Center – UEC01  Operating Systems  A set of programs that lies between applications software and the hardware.  Interfaces with Users (via GUI or CLI)  Manages computer’s resources (CPU, peripheral devices, stored files and network connections)  Boots the Computer: when you turn on the computer.  Configures Devices: Plug and Play devices are recognized automatically.  Provides and executes services for applications software  Ex: Object Linking and Embedding (OLE) that allows user to embed or link one document to another  Security: Password, Biometric characteristics and Firewalls 12 PUA – Computer Center – UEC01 Differences Among Operating Systems  Command Line Interface(CLI)  Require users to input commands using the keyboard, Ex: DOS.  Graphical User Interface(GUI)  Graphics based interface  Used by most operating systems, Ex: windows 10. PUA – Computer Center – UEC01