2-20. 2-21. Internal connectors are used inside the computer for which of the following reasons? 1. To connect the computer to a display system 2. To provide power to the computer only 3. To interconnect major individual units inside the computer only 4. To interconnect major individual units inside the computer and provide power to the computer What precaution should you use when making connections for pcb’s, modules, or subassemblies? 1. 2. 3. Secure the power to the computer and ensure the receptacle and plug match Ensure that the receptacle or plug has guide pins Force the connection Both 2 and 3 above 4. 2-22. Which of the following documents can be used to find the signal names used by a computer? 1. The wire listings only 2. The computer’s prints only 3. The description of a pcb only 4. The computer’s wire listings, prints, and/or a description  of  each  pcb 2-23. Internal conductors can only take mass data and route it for distribution throughout the computer. 1.   True 2.   False 2-24. To make effective use of limited space, which of the following items are used to neatly organize conductor bundles internally? 1.   Lacings 2.  Spot  ties 3. Wiring harnesses 4. Self-cliching straps 2-25. To secure the wires contained in a wire harness, which of the following items may be used? 1. Lacings only 2. Spot tying only 3.  Self-clinching  straps  only 4. Lacings, spot tying, and self-clinching straps 2-26. If a conductor is partially replaced or completely replaced, a different grade (AWG) and type of conductor can be used. 1.   True 2.   False 2-27. In addition to securing power to the computer, — what other precaution, if any, should you exercise 2-28. 2-29. when you are disconnecting and reconnecting power and data connections? 1. Follow the proper tag-out procedures 2. Document your actions in the computer room pass down log 3. Backup the data to a floppy or hard drive 4. None; no precautions are needed The power requirements for all computers are identical regardless of where the computers are used. 1.   True 2.   False To help mate connector receptacles and plugs properly, which of the following methods maybe used? 1. Keying only 2.  Physical  shape  only 3.  Keying  and  physical  shape A.   Flat B.   Ribbon C.  Twisted  component  or multiconductor D.  Coaxial E.  Fiber  optic Figure  2B.—Cable  architecture. IN ANSWERING QUESTIONS 2-30 THROUGH 2-34, SELECT FROM FIGURE 2B THE TYPE OF CABLE ARCHITECTURE THAT BEST MATCHES THE DESCRIPTION IN EACH QUESTION. 10