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Assignment 8
Assignment 8-Cont. - 14100_449

Fire Controlman Volume 03-Digital Data Systems
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8-10. 8-11. 8-12. 8-13. 8-14. The voltage and current characteristics of line drivers/receivers are dictated by which of the following factors? 1.  The  format 2.  The  interface 3.   Channel/port   configurations 4. Type of circuitry (TTL or MOS) The Type A (NTDS) Slow interface format is able to transmit what type(s) of bit groupings? 1.  16  only 2.  30  only 3.  32  only 4. 16,30, or 32, depending on the type of computer The data transmission rate for the Type A (NTDS) Slow format is limited by which of the following factors? 1. The requirement to convert data from serial to parallel 2. The type of equipment used 3. The large voltage change between logic states 4. The long distance the transmission must cover In the Type D (NTDS SERIAL) interface format, information frames are made up of what total number of bits? 1.  32  bits 2.  16  bits 3. 3 bits 4. 8 bits The Type D (NTDS SERIAL) interface format can transmit digital signals up to which of the following lengths? 1.   300   feet 2.  1000  feet 3.  1500  feet 4. The total length of the cable used regardless of  its  length 8-15. 8-16. 8-17. 8-18. 8-19. 8-20. 52 The Type E (NATO SERIAL) format requires which of the following I/O cables? 1.   Coaxial 2.   Triaxial 3. Dual coaxial 4. Twisted pairs The Type E (NATO SERIAL) format is most frequently used with which of the following equipment? 1. Mainframe computers 2. Minicomputers 3. Microcomputers The Type F (aircraft internal time division multiplex [TDM] bus) interface format transmits bit groupings consisting of what total number of bits? 1. 16 2. 20 3. 30 4. 32 The Type F (aircraft internal time division multiplex [TDM] bus) interface format can handle which of the following numbers of external devices on one channel? 1. 16 2. 30 3. 32 (including a bus controller) 4. 34 (including a bus controller) The Type G (RS-449) interface format primarily uses which of the following protocols? 1.  Request  acknowledge 2.  Command  and  response 3.  SIS/SOS 4. Interrupt/request The Small Computer System Interface (ANSI X3.131) using one controller can daisy chain up to what maximum number of units? 1. 8 2. 16 3. 30 4. 32






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