Write a program in 8086 assembly language that multiplies two single digit ASCII numbers. You must first convert these ASCII numbers to equivalent binary. The result of the multiplication must be converted to unpacked decimal number. This resultant unpacked binary coded decimal (BCD) number should have its units digit in AL register and tens digit in AX register. Reviewed by enakta13 on November 30, 2012 Rating: 5

What is the need of Direct Memory Access (DMA) in a Single User Computer? What is DMA module? Explain the functions of a DMA module. Reviewed by enakta13 on September 21, 2012 Rating: 5

Explain the concept of Direct mapping Cache memory with the help of an diagram/example. How is this Direct mapping cache different to that of 2 way set associative cache memory? Reviewed by enakta13 on September 15, 2012 Rating: 5

Differentiate between the access mechanism of a magnetic disk to that of CD ROM? Why do you need a number of disks (RAID)? Define different levels of RAID? Reviewed by enakta13 on September 14, 2012 Rating: 5

Draw the circuit for a decoder and explain the working of this decoder. List the possible uses of the decoder circuit. Reviewed by enakta13 on September 12, 2012 Rating: 5