8-7-2014 Notes

8-7-2014 Notes

.POST - Power On Self Test. Diagnostic of hardware
.Beep codes are used to show problems
.(Not from class notes)Some motherboards have POST cards on them to show errors in number form if the system doesn't boot up to hear beep
.Function Keys - The "F" keys (F1, F2, F3, etc.)
.CMOS - Holds time and data from BIOS
.TPM - Trusted Platform Module. Specialized security chip on motherboard
.Lojack - Locks computer remotely. Deletes sensitive data on the computer if stolen. Can locate the computer using technology and displays a message so that lost computers can be returned to the owner. If thief doesn't connect to internet, Lojack can be useless in regard to tracking
.12v, 5v are associated with molex.
.Red=5v Yellow=12v Black=0v (aka the ground wire)
.LPT1 - Line Print Terminal aka a parallel port
.Dynamic - Interchangeable
.Option ROM - I have no idea. Sounds similar to a role of a driver though
.Laptops use express cards and PCs use PCI

My Wrong Test Answers
Q)What is it called when logical cores appear as real physical cores to an OS?
A)Hyperthreading. It's when one CPU core tricks the OS into thinking there are two processors

Q)List of devices which give option of configuring master, and slave cable
A)DVD-RW, HDD, CD-ROM

Q)Where to find COM port to run at 9600 Baud?
A)Device manager | Ports (Com & CPT)

Q)Just installed two CD drives, and only one shows up on boot. What happened there?
A)Molex wasn't connected, so there was no power

Q)What to use if you had a home server?
A)RAID, 1000MBPS (or something like that. point is, you want high speed)

Q)What voltages would you see on a PSU?
A)7v, 12v, 5.0v

*Note* Read chapter 4 on CISCO Netcad, and study everything learned so far from PDF