1. In a chip, which type/s of pad design/s is/are adopted to solve the problem of pin count? output pad design three state pad design input pad design all of the options 2. A packet is also referred to as letter data postcard telegram 3. What is the format of IP address? 16 bit 64 bit 34 bit 32 bit 4. What is the nominal range of Bluetooth? 10 m 1 m 1 km 10 km 5. What does I2C stand for? inter-ic intra-ic individual integrated chip intel ic 6. Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs? ieee 802.15 ieee 802.11 ieee 802.3 ieee 802.16 7. Bluetooth operates in which band? ka band ku band l band 2.4 ghz ism band 8. Communication offered by TCP is ________ full-duplex semi-duplex half-duplex byte by byte 9. Which are the two lines used in the I2C? scl and status line sda and scl spdr and scl sda and spdr 10. Which of the following has a quadruple buffered receiver and a double buffered transmitter? mc68681 16450 16550 intel 8250 11. What kind of socket does an external EPROM to plugged in for prototyping? piggyback single socket piggyback reset socket multi-socket 12. Which one of the following offers CPUs as integrated memory or peripheral interfaces? microcontroller memory system embedded system microprocessor 13. Which standard govern parallel communications? IEEE 1284 CAT 5 RS232 RS-232a 14. Which common bus specification provides the fastest data transfer rate? ISA PCI VL bus all of the options 15. Many desktops and operating systems include which protocol? ipv4 protocol ipv3 protocol ipv6 protocol both ipv6 and ipv4 protocol 16. Which of following is not a valid bus in computer system ? Data Bus Address Bus System Bus Memory Bus 17. Which of the following offers external chips for memory and peripheral interface circuits? embedded system peripheral system microcontroller microprocessor 18. The AT bus is also known as the ____ bus. ISA 16-bit ISA 8-bit ISA 286 19. Which one of the following is the successor of 8086 and 8088 processor? 80286 80386 80288 80388 20. Devices that use the ____ bus are self-configuring. PCI MCA ISA EISA 21. Which of the following processor possess memory management? 80386 8088 80286 8086 22. The PCI follows a set of standards primarily used in _____ PCs. IBM intel motorola sun 23. The usual BUS structure used to connect the I/O devices is ___________ Single BUS structure Multiple BUS structure Node to Node BUS structure Star BUS structure 24. How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)? 16 4 8 12 25. The method of accessing the I/O devices by repeatedly checking the status flags is ___________ Program-controlled I/O I/O mapped Memory-mapped I/O None of the options 26. ________ is an extension of the processor BUS. PCI BUS USB SCSI BUS None of the options 27. The transformation between the Parallel and serial ports is done with the help of ______ Logic circuits Shift registers Flip flops None of the options 28. The device which is allowed to initiate data transfers on the BUS at any time is called _____ Bus Master Processor Controller BUS arbitrator 29. The system developed by IBM with ISA architecture is ______ PC-AT SPARK SUN-SPARK None of the options 30. The acronym HDI stands for: The acronym HDI stands for: Help desk interference Hard disk Half duplex interface Hard disk interface 31. The PCI BUS supports _____ address space/s. I/O Memory Configuration All of the options 32. Bus which used to connect the monitor to the CPU is memory bus rambus PCI bus SCSI bus 33. What is the full form of ISA? Industry Standard Architecture International American Standard International Standard Architecture None of the options 34. The classification of BUSes into synchronous and asynchronous is based on __________ The devices connected to them The type of data transfer The Timing of data transfers None of the options 35. An I/O port typically consists of four registers status, control, ________ and ________ registers. flow in, flow out system in, system out input, output data in, data out 36. The disadvantage of using a parallel mode of communication is ______ It is costly Leads to erroneous data transfer Security of data All of the options 37. In synchronous BUS, the devices get the timing signals from __________ A common clock line The Timing of data transfers Timing generator in the device None of the options 38. Bus which is used to connect Macintosh keyboards and mouse is SCSI USB ISA FireWire 39. What WLAN device provides communications management services to wireless workstations? Repeater Network Adaptor Access Point Antenna 40. In which scheduling certain amount of CPU time is allocated to each process? equal share scheduling proportional share scheduling earliest deadline first scheduling None of the options 41. The main importance of ARM micro-processors is providing operation with ______ Higher degree of multi-tasking Efficient memory management Low cost and low power consumption Lower error or glitches 42. Which one of the following is a real time operating system? Windows CE RTLinux VxWorks All of the options 43. The address system supported by ARM systems is/are ___________ X-Little Endian Big Endian Both Little & Big Endian Little Endian 44. How buffers are enabled in the parallel ports? by individual control register by data and individual control register by data direction register by the data register 45. Hard real time operating system has ______________ jitter than a soft real time operating system. less more equal None of the options 46. In a safety critical system, incorrect operation ____________ causes minor problems does not affect much causes major and serious problems None of the options 47. Which peripheral port provides the FASTEST throughput to laser printers? Serial Parallel SCSI RS-232 48. VxWorks is centered around ___________ wind microkernel linux kernel unix kernel None of the options 49. Antilock brake systems, flight management systems, pacemakers are examples of ____________ safety critical system hard real time system soft real time system safety critical system and hard real time system 50. Advantages of SPI are It\s faster than asynchronous serial. The receive hardware can be a simple shift register. It supports multiple slaves. 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