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