Thursday March 15 2018 G N I

Thursday, March 15, 2018

G N I R R E E V T O U C P IS M D O C Thursday, March 15, 2018

DATA • Data is the collection of Facts & Figures. or • Collection of Information is called Data. INFORMATION • Information is the Required Result after Processing of Data. Thursday, March 15, 2018

TYPES OF DATA 1. Alphabetic or string (A-Z) and symbols like +, - @ # $ % / etc. 2. Numeric (0 -9), 3. Alphanumeric (PIII, CG 125) 4. Date or time (MM-DD-YY) 5. Graphics, pictures, images, video files, sound files etc. Thursday, March 15, 2018

DATA PROCESSING CYCLE In Out Collection Calculating Verification Processing Thursday, March 15, 2018

COMPUTER Computer is an Electronic Device, which Receive Data, Process It and Give Us Our Required Result. Thursday, March 15, 2018

Advantages of Computer • • • Accurate In Processing. Very high processing speed. Space saving. Time saving due to high speed. Transportation of data through CD or floppy disks or hard disk. Thursday, March 15, 2018

Computer Commonly Operating Machine Particularly Used for Training Education Research Thursday, March 15, 2018

COMPUTER Casing MONITOR CD Rom Floppy drive Speaker MOUSE KEY BOARD Thursday, March 15, 2018

COMPUTER ENVIRONMENT Thursday, March 15, 2018

MAIN PARTS OF COMPUTER Computer is divided into Three main parts. 1. Input Devices 2. Output Devices 3. CPU (Central Processing Unit) Thursday, March 15, 2018

INPUT DEVICES With the help of Input devices we provide data to the Computer Thursday, March 15, 2018

EXAMPLES OF INPUT DEVICES 1. 2. 3. 4. 5. 6. 7. KEY BOARD MOUSE SCANNER JOY STICK Light Pen MIC Camera Thursday, March 15, 2018

1. KEY BOARD Thursday, March 15, 2018

2. MOUSE Thursday, March 15, 2018

3. SCANNER Thursday, March 15, 2018

4. JOY STICK Thursday, March 15, 2018

5. Light Pen Thursday, March 15, 2018

6. MIC Thursday, March 15, 2018

7. Camera Thursday, March 15, 2018

OUTPUT DEVICES Output devices are used to display some kind of data from Computer Thursday, March 15, 2018

EXAMPLES OF OUTPUT DEVICES MONITOR PRINTER PLOTTER SPEAKER PROJECTOR Thursday, March 15, 2018

MONITOR Thursday, March 15, 2018

PRINTER Thursday, March 15, 2018

PLOTTER Thursday, March 15, 2018

SPEAKER Thursday, March 15, 2018

CPU (Central Processing Unit) A main part of the Computer where every process accomplish that we perform. It is also called brain of Computer. Thursday, March 15, 2018

CPU (Central Processing Unit) It is divided into three main parts 1. ALU 2. CU 3. Computer Bus Thursday, March 15, 2018

1. ALU (Arithmetic & Logic Unit) All arithmetic and logical operations are performed by the ALU under the supervision of control unit 2. CU (Control Unit) Control Unit controls the overall working of a computer and also co-ordinates between the different devices attached with the computer. 3. Computer Bus’s Are Electric Signals. Thursday, March 15, 2018

Types of Buses Data Bus It is used to transfer data from one device to another. Address Bus The address bus (sometimes called the memory bus) transports memory addresses which the processor wants to access. Thursday, March 15, 2018

CPU Working Fetch Get an instruction from Main Memory Decode Translate it into computer commands Execute Actually process the command Store Write the result to Main Memory Machine Cycle Thursday, March 15, 2018

Memory is used to stores data and information. OR Memory is the place in the computer where we can store our programs and Data logically. It has two types Thursday, March 15, 2018

Types of Memory Primary Storage Temporary memory is called primary memory Secondary Storage Permanent memory is called secondary memory Thursday, March 15, 2018

Types of Primary Memory PRIMARY MEMORY ROM (Read-Only Memory) Thursday, March 15, 2018 RAM (Random Access Memory)

SECONDARY MEMORY A permanent storage area of Computer Types of Secondary Memory HD’s CD’s FLOPPY’S MEGNETIC TAPES Zip Drive USB Thursday, March 15, 2018

HARD DISK Thursday, March 15, 2018

CD’s Thursday, March 15, 2018

FLOPPY’S Thursday, March 15, 2018

MEGNETIC TAPES Thursday, March 15, 2018

Zip Drive Thursday, March 15, 2018

USB Thursday, March 15, 2018

Thursday, March 15, 2018

Elements of Computer Software Set of Instructions or commands to solve a data processing problem, and the results obtained after processing are called software. Hardware All physical components of a computer that can be touched are called hardware. Thursday, March 15, 2018

Types of Software Ø System Software Ø Application Software Thursday, March 15, 2018

System Software Single User operating system (for stand-alone PC) DOS (Disk Operating System) Windows (3. 1, 3. 11, 95, 98, ME) Multi User Operating system (for Networking) Linux/UNIX Novel Win. NT, 2000, XP Thursday, March 15, 2018

Application Software Word processor Spread sheets Data bases Web Browsers Games Thursday, March 15, 2018

Programming Language The C++ C Sharp Visual Basic. Net JAVA Thursday, March 15, 2018

Unit to measure data • Bit Thursday, March 15, 2018

BIT Area which can store binary digit 0 or 1 8 BITS=1 BYTE 4 BITS=1 NIMBLE 1024 BYTES=1 KILO BYTE 1024 KILO BYTES=1 MEGA BYTE 1024 MEGA BYTE =1 GEGA BYTE 1024 GEGA BYTE =1 TERA BYTE 1024 TERA BYTE =1 PENTA BYTE 1024 PENTA BYTE=1 HEXA BYTE Thursday, March 15, 2018

Types of Computers PC Laptop Server Mainframe Supercomputer Thursday, March 15, 2018

PC (Personal Computer) The personal computer (PC) defines a computer designed for general use by a single person. Thursday, March 15, 2018

Laptop Thursday, March 15, 2018

Server Thursday, March 15, 2018

Mainframe Thursday, March 15, 2018

Supercomputer Thursday, March 15, 2018

Networks and the Internet What is a network? Communications Device Enables a connection between computers Transmission Media Satellites Cables Telephone lines One type is a modem Thursday, March 15, 2018 Cellular radio

Networks and the Internet What are the reasons to network? To share Resources Hardware devices Software programs Data Information Thursday, March 15, 2018 To save time and money

Networks and the Internet What is a server? Ø Ø A server manages the resources on a network Clients access the resources on the server Thursday, March 15, 2018

Networks and the Internet What is the Internet? Ø Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Thursday, March 15, 2018

Networks and the Internet What is the Web? Ø Billions of documents, called Web pages, available to anyone connected to the Internet A Web site is a collection of related Web pages Thursday, March 15, 2018 A Web page contains text, graphics, sound, video, and links to other Web pages You can share information by creating Web pages or posting photos on a photo sharing community

Thanks Thursday, March 15, 2018