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