Peripheral and Interfacing
Question Define the term peripheral. What are the roles of computer peripherals?
NU Year 2017
Question What do you understand by interfacing? Describe the basic interfacing unit with proper diagram.
NU Year 2017
Question What are the basic requirements for proper interface between a microprocessor and an I/O device? discus with diagrams.
NU Year 2017
Question What does PPI and PIC stand for? Draw the internal architecture of 8255 PPI and discuss its ports.
NU Year 2017
Question What is DMA? Why does the DMA generally have priority over the CPU in the ease of accessing memory?
NU Year 2017
Question Draw the block diagram showing how a DMA controller operates in a microcomputer system.
NU Year 2017
Question How can you use a CRT as an alphanumeric display? Discuss with diagram using a ROM and a RAM.
NU Year 2017
Question Explain the full step operation of a stepper motor. How is it interfaced to a microprocessor?
NU Year 2017
Question Draw and explain the circuit to drive a single seven segment LED display.
NU Year 2017
Question Briefly describe the code format and working principle of bar code.
NU Year 2017
Question What are the differences between OMR and OCR?
NU Year 2017
Question List out the differences between LCD and LED.
NU Year 2017
Question Describe the basic structure and operation of inkjet printer
NU Year 2017
Question Distinguish between impact and non-impact printer.
NU Year 2017
Question What is optical Disk? How many types of optical disk? Explain them briefly.
NU Year 2017
Question What is Null-modem? Why it is used?
NU Year 2017
Question What is USART? What are the advantages of USART?
NU Year 2017
Question Draw and explain the functional block diagram of 1C-8251 (USART).
NU Year 2017
Question Write details about lEEE-488 instrumentation interface.
NU Year 2017
Question How the RS-232C serial bus is interfaced to TTL logic device?
NU Year 2017
Question Write short notes on passive and active matrix
NU Year 2017
Question Write short notes on Digitizer
NU Year 2017
Question Write short notes on Shaft encoder
NU Year 2017
Question Write short notes on GPIB
NU Year 2017
Question Write short notes on DMAC
NU Year 2017
Question Write short notes on serial interfacing devices.
NU Year 2017
Question What are the basic requirements for proper interface between a microprocessor and an l/O device? Discuss with diagrams.
NU Year 2017
Question What is DMA? Why does the DMA generally have priority over the CPU in the case of accessing memory?
NU Year 2017
Question Define peripheral processing? Describe with block diagram the architectural evolution of parallel vector processors and parallel computers
NU Year 2015
Question Explain with diagram the Flynn's classification of various computer architecture
NU Year 2015
Question Write short notes on performance factors and throughputrate
Question Write short notes on performance factors and throughput rate
NU Year 2015
Question Describe the architecture of vector supercomputer
NU Year 2015
Question Write down the characteristics of CISC and RISK architectures
NU Year 2015
Question Describe the architecture of VAX 8600 processor with figure
NU Year 2015
Question What are the disadvantages of RISC processor?
NU Year 2015
Question Describe the concept of pipeling of superstar processor of degree of m=3
NU Year 2015
Question Define distributed system. Write down the characteristics of distributed system
NU Year 2015
Question Differentiate between loosely coupled and tightly coupled system
NU Year 2015
Question Explain different design issues of distributed system
NU Year 2015
Question Describe client server model
NU Year 2015
Question Define fault. Explain different types of fault
NU Year 2015
Question Implement the logical clocks by using counter
NU Year 2015
Question Describe the centralized approach for mutual exclusion
NU Year 2015
Question Describe the ring algorithm for electing the coordinator process.
NU Year 2015
Question What types of failure occur in RPC system
NU Year 2015
Question Differentiate between centralized and distributed algorithms
NU Year 2015
Question What do you mean by caching? Explain the different types of caching in-clients main memory
NU Year 2015
Question Describe semantics of file sharing
NU Year 2015
Question What is distributed Deadlock? Briefly explain the Chandy -Misra -Hass algorithm for deadlock detection
NU Year 2015
Question Differentiate between stateless and stateful server
NU Year 2015
Question What are the types of virtual memory model for multiprocessor systems? Explain them
NU Year 2015
Question Explain fault Tolerance Using primary Back up
NU Year 2015
Question what do you mean by the term Peripheral and interfacing? Why peripheral interfaceing is necessary?
NU Year 2016
Question What is highway? Briefly describe all types of bus operation.
Question What is computer highway? Briefly describe all types of bus operation.
NU Year 2016
Question Explain with proper diagram asynchronous interfacing technique.
NU Year 2016
Question Write down the difference between serial and parallel interfacing.
NU Year 2016
Question What is DMA controller? Explain how DMA controller operate in a micro computer system.
NU Year 2016
Question Define memory-mapped I/O and peripheral I/O. Compare between them.
NU Year 2016
Question Explain the basic operation of Bar code. Mention its application
NU Year 2016
Question What is transducer? Write down about active and passive transducer.
NU Year 2016
Question Define LCD. Explain the working principle of LCD monitor.
NU Year 2016
Question Differentiate between RS 232C and RS 422A standards.
NU Year 2016
Question Write down the advantages of LCD monitor over CRT moniter
NU Year 2016
Question What is Digitizer? Explain the operation and application of Digitizer
NU Year 2016
Question Draw the block digram of 8259A and explain it.
NU Year 2016
Question What is scanner? Explain various types of scanner.
NU Year 2016
Question Draw the flow chart to program for a keyboard interfacing with microprocessor
NU Year 2016
Question Draw the block diagram of 8255A programmable peripheral interface.
NU Year 2016
Question What is Interrupt? Explain different types of interrupt.
NU Year 2016
Question Explain how a 7-segment LED display can be multiplexed with microprocessor
NU Year 2016
Question What is printer? How many types of printer? Explain them briefly.
NU Year 2016
Question write short notes on any four of the following:- (a) Laser Card; (b) Serial Data Transfer; (c) Stepper Motor; (d) PCI bus; (e) Floppy Disk Controller; (f) GPIB.
NU Year 2016