Tag Archives: 4m


Explain the working of DVD-ROM with ihe help of block diagram. 4m Jun2008

Explain the working of DVD-ROM with the help of block diagram. 4m Jun2008   CD-ROM and DVD-ROM Optical disks use Laser Disk Technology, which is the latest, and the most promising technology for high capacity secondary storage. The advent of the compact disk digital audio system, a non-erasable optical disk, paved the way for the… Read More »

Find the average access time for the disk. 4m Dec2007

Seek time on a hard disk is 50 ms. it rotates at a speed of 3000 rotations/sec. Each track on the disk has 100 sectors. Find the average access time for the disk. 4m Dec2007 Disk Rotation Speed = 3000 rps.  (i.e. 180000 rpm) Sectors per Track = 100 sectors Seek time = 50 millisecond  … Read More »

What is the significance of FAT? What are the limitations of FAT 16? 4m jun2006

What is the significance of FAT? What are the limitations of FAT 16?  4m jun2006 FAT The FAT maps the usage of data space of the disk. It contains information about the space used by each individual file, the unused disk space and the space that is unusable due to defects in the disk. Since… Read More »

Represent the following numbers in IEEE-754 floating point single precision number format: 4m Dec2005

Represent the following numbers in IEEE-754 floating point single precision number format:           4m Dec2005 (i)                 1011.1001 (ii)                -0.0011001   Single Precision   S stands for Sign (white color) E stands for Exponent (yellow color) N stands for Number (also called Mantissa or Significand) (green color)   0this Sign bit (1 bit) 1st to 8this Exponent… Read More »