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#1. A DAC can produce 256 different output voltages. This DAC has a resolution of:
#2. An ARINC 629 data bus cable uses:
#3. The normal supply voltage for a TTL logic device is:
#4. When compared with an LCD, a CRT display offers the advantage that:
#5. The decimal number 37 is equivalent to the binary coded decimal (BCD) number:
#6. A NAND gate with its output inverted has the same logical function as:
#7. In a basic ‘T’ configuration of instruments:
#8. A level-C software classification is one in which a failure could result in:
#9. The method of data encoding used in an ARINC 429 bus is known as:
#10. When expressed in hexadecimal an octal value of 54 is the same as:
#11. In a bipolar ADC a logic 1 in the MSB position indicates:
#12. The horizontal situation indicator (HSI) uses information derived from:
#13. Light propagates in a fibre optic by means of:
#14. The two sets of flight regulations that a pilot may fly by are:
#15. Weather radar is an example of:
#16. The pins on a DIL packaged integrated circuit are numbered:
#17. The DAC used in a successive approximation ADC is usually:
#18. Data is converted from serial to parallel and parallel to serial by means of:
#19. Electromagnetic compatibility is achieved by:
#20. Operational faults in FMS can be detected by:
#21. In order to represent negative data values, BNR data uses:
#22. Where is the ‘rising runway’:
#23. To create a bidirectional communications link within an ARINC 429 system:
#24. A significant advantage of fibre-optic networks in modern passenger aircraft is:
#25. Which aircraft standard applies to fibre-optic networks:
#26. The maximum data rate supported by the FDDI bus is:
#27. A bus arbitration system based on the physical location of cards is referred to as:
#28. The validity of an ARINC 429 data word is checked by using:
#29. The Q output of an R-S bistable is at logic 0.This means that the bistable is:
#30. Adjacent blue and red phosphors are illuminated on the screen of a colour CRT. The resulting colour produced will be:
#31. On an EHSI in weather radar mode, a severe storm would be shown as:
#32. A semiconductor memory consists of 256 rows and 256 columns. The capacity of this memory will be:
#33. . Typical displays on an EHSI are:
#34. A group of bits transmitted at the same time is referred to as:
#35. A particular problem with the build-up of static charge is that:
#36. Which computer bus is used to specify memory locations:
#37. The human eye is most sensitive to:
#38. The voltages present on an ARINC 429 data bus cable are:
#39. The cone of acceptance of an optical fibre and a light source is measured between:
#40. . The upper ECAM display provides: