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Describe interrupt priorities, interrupt service routine and interrupt vector table.
Interface the 8 bit DAC 08 to port A. Write down the 8086-assembly program segment to output a ramp.
Sketch the pin schematic of DMA controller and explain the series of actions which a DMA controller will carry out after it receives a request from a peripheral device to transfer data from peripher
Sketch and describe the 8086 bus activities during write machine cycle.
Design BCD to gray converter for digital circuits.
Design the circuit diagram of 3-input TTL NAND gate.
Design the circuit of an S-R Flip Flop using NAND gates only. From it derive circuit of a D-Flip Flop and describe its truth table.
Where do we utilize D-Flip Flop and clocked Flip Flops?
Draw the truth table of Half-subtractor and from it realizes its circuit.
Where do we use DC PRESET and DC CLEAR terminals in Flip Flops?
What are Universal gates? Realize different Logic gates using Universal gates only.
Write down the truth table of Ex-NOR gate. Write down the difference between MUX and DEMUX.
Compare the network model and Hierarchical Model for database.
What do you understand by encryption on databases? Distinguish between internet and intranet.
Write down a C program to sort the data in two dimensional array.
Distinguish between bottom up and top-down testing.
By using the high-low method, fixed portion of electrical cost each month would be.
Describe the mode3 of 8051 serial ports in detail. Write down a program to carry out multiplication of 2 numbers by using 8051.
Describe the JUMP instructions present in 8051 microcontroller with the mnemonic code and its operation for each.
Describe the addressing modes of 8085 with suitable example. Describe the various kinds of instruction in 8085.
What do you understand by vectored and non vectored interrupts?
Describe the concept of Direct Memory Access (DMA) in detail. Describe the functions of Handshake signals in detail.
Describe the concept of pipelining in 8086. Write down its advantages and disadvantages.
What do you mean by conditional and control flags in 8086?
Explain opcode and operand, and state the opcode and the operand in the instruction MOV H, L.