Dual Boot Support

In a dual boot configuration you essentially have two OS on the Computer.  (Window 98 and Window 2000).  At boot time you have the option of selecting which OS you want to use.  Both OS can share the
same disk space (provided they use compatible formats like FAT32 for 98/2000 or in some cares can use sap rate disk.

What is the Virtual FAT

An extension of the FAT file system that was Introduced with window 95.  It argument-ed the 8.3 file naming convention and allowed file names with up 255 character.  It created two names for each file. Along name and an 8.3 compatible name so that older programs could still access files.  When VFAT was incorporated into windows 95.  It use 32 bits code for improved disk access while keeping the 16 bit naming system for backward compatibility with FAT .  It also had the 2GB disk partition limitation.

What is resistor

Resistors offers resistance to the flow of current represented by  "R" and its units is "Ohm".
Factors affecting Resistors-

1. Resistivity of a meterial.
2. Length:-  Resistance is directly proportional to length.
3. Cross sectional area:-  Resistance is inversely proportional to the cross sectional area (A).
4. Temperature:- all material change resistance by the same amount when temperature changes.

Type of Resistors:-

1. Fixed Resistors
2. Variable Resistors

Type of Fixed Resistors-  

1. Carbon
2. wire Wound
3. Fusible Resistors

Type of Variable Resistors-   

1. Rheostate
2. Potentiometer 

Carbon Resistors-  It is made of carbon and graphite mixed on the powered isolating materiel as a binder.

The resistence value is from 1 Ohm to 20 Ohm.

           Power rating is 1/4 , 1/2, 2 watt.

Wire wound Resistors-  The resistance wire is wrapped round and isolating core power rating 5 watt to 100 watt the wire may be tonguston or maganin.

Fusible Resistors-  When power rating is exceeded fusible resistors burn out used for dual purpos as a resistors and as a fuse wire.

Variable Resistors:-  It can be corben  or wire wound resistors. There  are two type of variable resistors.

Measurement:-  Measure the value with the equipment.

Example:-   Multimeter