Dbios computer/II charts  are covering syllabus of major  State Tech. Universities and AICTE approved institutes. Dbios Computer  Charts creates a revolution in IT education thrugh out India. Our Charts are used in no. of Engg., Polytech, MCAs , BCAs thrugh out India

BASIC COMPUTER

• CH 2101 SUMMARY OF DOS
• CH 2102 DOS COMMANDS
• CH 2103 AUXILLARY STORAGE DEVICES       
• CH 2104 MEMORIES
• CH 2108 INPUT DEVICES                           
• CH 2109 OUTPUT DEVICES
• CH 2121 FUNDAMENTALS OF 'C'-I     
• CH 2122 FUNDAMENTALS OF 'C'-II
• CH 2123 FUNDAMENTALS OF 'C'-III                        CH 2124 PROGRAMMING LANGUAGE
• CH 2125 TYPICAL TELNET & FTP COMMANDS       
• CH 2126 OOPS FEATURES

• CH 2114 DATA MODELS                                 
• CH 2131 DBMS ARCHITECTURE
• CH 2132 DATA BASE SYSTEM vs FILE SYSTEM          
• CH 2133 ENTITY RELATIONSHIP DIAGRAM
• CH 2134 NORMALISATIONS
• CH 2135 RELATIONAL ALGEBRA
• CH 2136 SQL COMMANDS (STRUCTURED QUERRY )

• CH 2105 OSI MODELS                                     
• CH 2106 HUB/SWITCH
• CH 2107 NETWORK TOPOLOGIES
• CH 2110 MODES & FORMS OF DATA TRANSMISSION
• CH 2111 TRANSMISSION MEDIAS
• CH 2112 TYPES OF COMPUTER NETWORKS
• CH 2113 COMMUNICATION SWITCHING TECHNIQUE
• CH 2141 IP-ADDRESS

• CH 2115 MICROSOFT WORD
• CH 2116 MICROSOFT EXCEL
• CH 2117 MICROSOFT POWER POINT 
• CH 2118 THE VISUAL BASIC IDE
• CH 2119 THE TOOL BARS OF VB

• CH 2145 SOFTWARE LIFE CYCLE MODELS
• CH 2146 SOFTWARE TESTING TECHNIQUES

• CH 2151 OS COMPONENTS & FUNCTIONS
• CH 2152 LINUX COMMANDS
• CH 2153 CPU SCHEDULING ALGORITHMS
• CH 2154 DEADLOCK MANAGEMENT
• CH 2155 PROCESS MANAGEMENT

• CH 2156 MAJOR COMPONENTS OF ART. INT
• CH 2157 EXPERT SYSTEM ARCHITECTURE               
• CH 2158 MAJOR ROBOT COMPONENTS

• CH 2161 GEOMETRIC TRANSFORMATIONS
• CH 2162 LINE DRAWING ALGORITHMS
• CH 2163 CIRCLE DRAWING ALGORITHMS
• CH 2164 ELLIPSE DRAWING ALGORITHMS
• CH 2165 PLANAR PROJECTIONS
• CH 2166 CLIPPING  ALGORITHMS
• CH 2167 WINDOWING TRANSFORMATIONS

• CH 2171 FUNDAMENTALS OF DATA STRUCTURES
• CH 2172 STACK DATA STRUCTURE
• CH 2173 QUEUE DATA STRUCTURE
• CH 2174 LINKED LISTS
• CH 2175 TREE DATA STRUCTURES
• CH 2176 SEARCHING TECHNIQUES
• CH 2177 TYPICAL SORTING TECHNIQUES

We also manufacture electronic charts and industrial electronic charts. Our facilities and associations with knowledgeable resources have helped us design and develop different types of useful electronic charts. These charts is widely accepted and appreciated for its genuineness.

Various charts are developed on the following topics:

Size 75 x 100 cms:

• Communication Systems

CH 1501 SINGLE SIDE BAND MODULATION
CH 1502 AMPLITUDE MODULATION
CH 1503 FREQUENCY MODULATION
CH 1504 RADIO RECEIVERS
CH 1505 FM RECEIVERS
CH 1506 FIBER OPTIC COMMUNICATION
CH 1507 SATELLITE COMMUNICATION
CH 1508 ELECTROMAGNETIC FREQUENCY SPECTRUM
CH 1546 DIGITAL MODULATION-I
CH 1547 DIGITAL MODULATION-II
CH 1548 SAMPLING & ENCODING TECHNIQUES
CH 1549 MULTIPLE ACCESS TECHNIQUES

• Micro Processors

CH 1509 8086 PIN-LAYOUT & ARCHITECTURE
CH 1545A 8086 INSTRUCTION SET
CH 1545B 8086 INSTRUCTION SET
CH 1510 8085 BLOCK DIAGRAM
CH 1511 8085 PIN LAYOUT & SIGNAL REPRESENTAT
CH 1512 8085 SET INSTRUCTION
CH 1550 8085 INTERRUPTS
CH 1513 8255A PROGRAM PERIPHERAL INTERFACE
CH 1514 8155 & 8755: THE PROGRAMMABLE DEVICE
CH 1515 8279: THE PROGRAMMABLE KEYBOARD
CH 1516 8254 & 8259 A: THE PROGRAMMABLE INTERNAL TIMER & INTERRUPT CONTROLLER

• Industrial Electronics

CH 1517 DIAC & TRIAC
CH 1518 UJT & SCR
CH 1525 TRANSFORMER
CH 1526 DYNAMOS
CH 1527 METER PRINCIPLES-I (GALVANOMETER)
CH 1528 METER PRINCIPLES-II (MULTI METER)
CH 859 KRICHOFF'S LAW-BRIDGES

• Micro - Controllers

CH 1541 8051 ARCHITECTURE & PIN LAYOUT
CH 1542 8051 BLOCK DIAGRAM
CH 1543 8051 INSTRUCTION SET
CH 1544 8051 SFR: SPECIAL FUNCTION REGISTERS

• Electronics

CH 857 SEMI-CONDUCTORS: FUNDAMENTALS
CH 858 SEMI-CONDUCTORS: PROP. & CHAR.
CH 860 OSCILLATOR CH 861 LOGIC GATES
CH 862 TRANSISTOR CHARACTERISTICS
CH 863 TRIODE CHARACTERISTICS
CH 864 RECTIFIERS
CH 865 SYMBOLS - I
CH 866 SYMBOLS - II CH1519 FEEDBACK AMPLIFIERS CH1520 MULTISTAGE AMPLIFIERS
CH1521 OPERATIONAL AMPLIFIER: FEATURES
CH1522 OPERATIONAL AMPLIFIER: OPEN & CLOSE

• Digital Electronics

CH 1534 MUX / DEMUX & ENCODERS /DECODERS
CH 1535 FLIP-FLOPS: SR,T,D.
CH 1536 FLIP-FLOPS: JK, MASTER-SLAVE JK CH 1537 SHIFT REGISTER TYPES CH 1538 UNIVERSAL SHIFT REGISTERS CH 1539 ADC TECHNIQUES
CH 1540 DAC TECHNIQUES

• EDC (Electronics Devices & Circuits)

CH1523 DIODES-I: ZENER, VARACTOR, SCHOTTKY
CH1524 DIODES-II: LED, PHOTO, PIN, LASER
CH1529 CATHODE RAY OSCILLOSCOPE (CRO)
CH 1530 555 PIN DIAGRAM & ARCHITECTURE
CH 1531 555 MULTI VIBRATORS
CH 1532 DISPLAY DEVICES

• Instrumentation

CH 1551 LVDT
CH 1552 PSPD
CH 1553 CONTROL VALVES
CH 1554 ACTUATORS
CH 1555 METHODS OF MEASURING LIQUID LEVEL CH 1556 STRAIN GAUGES CH 1557 FEED FORWARD

Our range of applied science charts also includes information on applied physics and engg. chemistry text along with others.

Applied science charts contain information on the following topics:

Allied physics OPTICS

• CH 835 Chromatic Aberr. & their Remedies
• CH 836 Optical Microscope
• CH 837 Optical Telescope
• CH 843 Michelson's Interferrometer
• CH 850 Light Dispersion
• CH 851 Light Diffraction
• CH 852 Light Polarisation
• CH 853 Light Interference
• CH 1050 Optical Fibre- Basic Principle
• CH 1051 Fibre Splicer, Coupler and Connector

• CH 873 Surface Tension
• CH 874 Newton's Laws of Motion
• CH 875 Dimensional Formulae
• CH 841 Elasticity-Hooke's Law
• CH 1055 Simple Pendulum & Harmonic

• CH 1056 Moment of Inertia
• CH 1057 Cantilevers & Centrally Loaded Beams
• CH 1058 Gallilean & Lorenz Transformations

• CH 1060 Structure of Atom
• CH 868 Atomic Reactor
• CH 1061 Nuclear Fission Reactors
• CH 869 Nuclear Fission & Fusion
• CH 846 Nuclear Radiation Detectors
• CH 845 Particle Accelerator-Cyclotron
• CH 844 Accelerators-Linear & Tandem
• CH 1062 Zeeman & Paschen-Back Effect
• CH 1063 Stark & Raman Effect
• CH 1064 Effects of Radiation on Humans

• CH 829 Heat Transfer
• CH 1065 Thermodynamical Processes
• CH 839 Carnot Cycle
• CH 1066 Calorimeter (Joule's Method) MODERN PHYSICS
• CH 847 Photoelectric Effect
• CH 848 Origin of X-Rays
• CH 1070 Compton's Effect
• CH 838 Davisson & Germer Experiment
• CH 840 Lasers-Basic Principle
• CH 1071 Basic Laser Device and Laser Action
• CH 1073 Types of Lasers
• CH 1059 Holography
• CH 1074 Michelson - Morley Experiment.

• CH 1080 AC Circuits
• CH 1081 Magnetic Circuits
• CH 1082 Hysteresis Curve
• CH 1083 Maxwell's Equations
• CH 1084 Hall Effect

• CH 872 Types of Crystal Structure
• CH 1088 X-Ray Diffraction & Bragg's Law
• CH 1089 Bragg's Spectrometer

• CH 877A Jumbo Periodic Table
• CH 877 Periodic Tables of the Elements
• CH 939 First Aid in Laboratory
• CH 940 Laboratory Safety Measures
• CH 941 Techniques Used in Laboratory

• CH 878 Shapes of Atomic Orbitals
• CH 907 Types of Cells
• CH 909 Separation of Substances
• CH 915 Liquefaction of Gases
• CH 930 Lattice Defects
• CH 932 Michaelis-Menten Equation
• CH 938 Radioactivity

• CH 934 Chromatography
• CH 935 Synthetic Dyes
• CH 916 Synthesis & Uses of DDT & BHC
• CH 917 Synthetic Polymers
• CH 918 Natural & Synthetic Rubbers

Biotechnology charts are offered by us in the standard size of 75 X 100 cms. These charts are manufactured on Superfine White Rexine which is waterproof and fitted with light weight plastic rollers.

Salient features of our Biotech charts are:

• CH 22A Mutations and chromosomal Aberrat
• CH 22B Linkage and Crossing Over
• CH 22C Extrachromosomal Inheritance
• CH 1151 Method of sterilization
• CH 1152 Microbial Species and Strains
• CH 1153 Hypersensitive Reactions
• CH 1154 Immune Response to an Infection
• CH 1155 Blotting Techniques
• CH 10 DNA-Structure
• CH 1157 HIV Life Cycle
• CH 1158 Genetic Code
• CH 1159 Prokaryotic Gene Expression
• CH 1160 The Immune System
• CH 1161 Antigen - Antibody Interactions
• CH 1162 Cell Culture (Primary & Secondary)
• CH 1163 Genetic Engineering
• CH 1164 Recombinant DNA Technology
• CH 1165 Gene Cloning and Transfer
• CH 1166 Transgenic Animals
• CH 1167 Environmental Biotechnology
• CH 18 Mendelian Laws of Inheritance
• CH 1169 Gene Interactions
• CH 1170 Genetic disorders
• CH 1171 Microbial Genetics
  
• CH 1172 Immunoglobulin Structure
• CH 1173 B & T Lymphocytes
• CH 1174 Humoral & Cell Mediated Immunity
• CH 1175 PCR (Polymerase Chain Reaction)
• CH 1176 Complement System
  
• CH 1177 MHC Clan -I Molecule
  
• CH 1178 MHC Clan -II Molecule
• CH 1179 DNA Repair Mechanism
• CH 1180 Monoclonal Antibody Production
• CH 1181 Nuclear Splicing
• CH 1182 invitro Fertilization
• CH 1183 Yeast Artificial Chromosome
• CH 1184 Gene Therapy
• CH 1185 Life Cycle of Phages
• CH 1186 Retroviruses & Retroposons
• CH 1187 Transponsons
• CH 1188 Signal Transduction
• CH 1189 Gene Transfers
• CH 1190 Biosafety Levels

• CH 1100APhoto Respiration (C2 Pathway)
• CH 1100 Calvin Cycle (C3Cycle)
• CH 1101 Carbohydrates - I
• CH 1102 Carbohydrates - II
• CH 1103 Lipids
• CH 1104 b oxidation of fatty acids
• CH 1108 Urea Cycle
• CH 1110 RNA Polymerase
• CH 1111 Basal transcription factors
• CH 1112 Transcription factors
• CH 1113 Ribosome
• CH 1114 Translation factors
• CH 1115 Aminoacyl-t RNA biosynthesis
• CH 1117 Carbohydrate metabolism - TCA Cycle
• CH 1118 Photosynthesis: Photosynthetic Electron Transport Chain
• CH 1120 Carbohydrate metabolism - Glycogenesis & Glycogenolysis
• CH 1121 Water and buffers
• CH 1122 Proteins (Structural Organization)
• CH 1123 Nucleic Acid – DNA
• CH 1124 Nucleic Acid -RNA
• CH 1125 Central Dogma
• CH 1126 Porphyrins
• CH 1127 Enzymes Detailed
• CH 1128 Carbohydrate metabolism - Glycolysis
• CH 1129 DNA Protein interaction
• CH 1130 Carbohydrate metabolism -Gluconeogenesis
• CH 06 Chloroplast structure
• CH 1133 C4 Cycle and CAM Plants
• CH 1134 Biosynthesis of Triglycerides & Cholesterol
• CH 1135 Biosynthesis of saturated Fatty Acids
• CH 04 Structure of mitochondria
• CH 1136 Essential & Non Essential Amino Acid
• CH 1137 Amino Acid Metabolism
• CH 1138 Nitrogen fixation and nitrate reduction
• CH 1139 Bacterial Genetic Transformation
• CH 1140 Hershey - Chase Experiment
• CH 1142 Mechanism of Blood Coagulation
• CH 1143 Hormones and their Physiological
• CH 1144 Biochemical Aspects of Diabetes
• CH 1145 ABC Transporters
• CH 1146 Phosphotransferase System (PTS)

Leveraging on the knowledgeable and in-depth information of our resourceful personnel, we can incorporate the latest developments in our mechanical charts. The information provided in our charts are cross checked for any kind of errors and only after much checking we offer them to our clients. Proper packaging helps retain the original quality of our mechanical charts. Different types of mechanical charts offered by us are: Size:16"X22" Laminated & Framed on Board WORKSHOP SAFETY S-1 Personal Protection S-2 First Aid Materials S-3 Hazchem symbols S-4 Ergonomics S-5 Fire Preventions WELDING WS 1 Types of Welded Joints WS 2 Electric Resistance Welding WS 3 Spot Welding WS 4 Seam Welding WS 5 Flash Welding WS 6 Electric Arc Welding WS 7 Submerged Arc Welding WS 8 Thermit Welding WS 9 Oxy - Acetylene Torch WS 10 Gas Flames WS 11 Basic Weld Symbols WS 12 Supplementary weld Symbols WS 13 Laser Beam Welding SMITHY WS 15 Blacksmith’s Hammers WS 16 Blacksmith’s Tongs WS 17 Blacksmith’s Appliances WS 18 Blacksmith’s Hand tools -I WS 19 Blacksmith’s Hand tools -II AUTO-ENGINEERING WS 25 Two Stroke Operation WS 26 Four Stroke Operation WS 27 Single Cylinder Engine WS 28 Four Stroke Petrol Engine WS 29 Four Stroke Diesel Engine WS 30 Ignition System WS 31 Spark Plugs CARPENTRY WS 35 Marking Tools in Carpentry WS 36 Measuring Tools in Carpentry WS 37 Types of Saws WS 38 Types of Chisels WS 39 Types of Planes WS 40 Braces in Carpentry WS 41 Holding Tools in Carpentry WS 42 Hand Tools used in Carpenty WS 43 Carpentry Joints-I WS 44 Carpentry Joints-II WS 45 Types of Patterns METROLOGY WS 51 Vernier Caliper WS 52 External Micrometer WS 53 Lathe Machine WS 54 Shapers WS 55 Drill machine WS 56 Grinding Machine WS 57 Milling Machine FITTING WS 61 Hacksaws WS 62 Wrenches WS 63 Holding Tools (Types of Vice) WS 64 Striking Tools (Hammer) WS 65 Cutting Tools (Chisels) WS 66 Types of Files WS 67 Taps and Dies WS 68 Reamers WS 69 Pipe Fittings WS 70 Methods of Filling WS 71 Hand Tools Used in Fitting shop and many more

A rare collection of wooden and metal models is availble at Dbios to make the student at ease with complex structures of models.

Following are some of the types of our mechanical models:

• DM 100 DISSECTED MODELS on DRAWING
• DM 105 NON-DISSECTED MODELS on DRAWING
• DM 115 INTERSECTION of SOLIDS
• MODELS on GEARS
• DM 185 SPUR GEARS DM 185Y Single stage & S S with intermediate
• DM 185Z Two & three stages
• DM 186 Single stage BEVEL gears
• DM 187 Single stage HELICAL & SPIRAL gears
• DM 189 GEAR Sets
•  
• DM 190 HERRINGBONE Gears
• DM 191 Internal Gear Pinion Drive
• DM 192 Rack & Quadrant Gears
• DM 193 Sliding Wedge Gear with straight line
• DM 194 Rack & Pinion
• DM 195 Epicycle Gear
• DM 196 Epicyclic Gear (Sun & Planet)
• DM 197 Cyclodial & Reversing Gear
• DM 198 Worm & Differential Gear
• DM 200 Train of Gear Wheels (Simple & compound)
• DM 201 Interconnected Gears
• DM 202 Shaper model
• DM 203 Gear Box (3 speed & reverse Gear) Without & With Clutch