REVIEW QUESTIONS

1.	The default address used by the primary IDE controller is? C000-C7FFF 1F0h 378h 3F8h
2.	The default address used by the secondary IDE controller is? 170h 1F0h 378h 3F8h
3.	The default I/O address for COM2 is? 170h 1F0h 378h 2F8h
4.	The floppy drive controller uses which DMA channel? 1 2 4 7
5.	How many devices can you attach (chain) to a single IDE controller or channel? 1 2 4 127
6.	Which IRQ is reserved for the system timer? 0 1 2 9
7.	Which of the following are valid touch screen technologies? (Choose Three) Capacitive. Conducive. Resistive. Surface wave. Switch. All are valid touch screen technologies.
8.	What is the most common way to transfer information between two PDAs? IR USB SCSI LPT RS232 IEEE 1284 None of the above
9.	Which of the following ports are most often used when connecting a digital camera to a computer system? (Choose Two) SCSI port Port 25 USB port Parallel port IEEE 1394-compliant port Port 1099
10.	A laptop user who uses a docking station while at work calls you and states he cannot connect to the network and his LCD screen is “all messed up.” What is most likely the problem? The NIC card’s video driver is corrupt. Wrong user profile. Wrong hardware profile. The network is malfunctioning. The ports on the laptop are not IEEE 1284 compliant. None of the above.
11.	Which of the following devices is similar to a docking station with the exception that it doesn’t provide extra slots for storage and expansion cards? A port replicator A port sniffer A hardware profile An AC/DC converter None of the above
12.	Which of the following battery types suffer from the phenomenon known as memory effect? Lithium ion NiMH NiCad Copper tip Silver bunny battery All of the above
13.	Which of the following produces hydrogen that is converted from methanol or alcohol and may replace the lithium ion batteries used today? Lithium ion NiMH NiCad Copper tip Fuel cell None of the above

Answers

1.	Correct Answer = B C000-C7FFF is used for the video adapter memory address. 378h is the memory address reserved for LPT1. 3F8h is the memory address reserved for COM1.
2.	Correct Answer = A 1F0h is the memory address reserved for the primary IDE controller. 3F8h is the memory address reserved for COM1. 378h is the memory address reserved for LPT1.
3.	Correct Answer = D 170h is reserved for the secondary IDE controller. 1F0h is the memory address reserved for the primary IDE controller. 378h is the memory address reserved for LPT1.
4.	Correct Answer = B DMA channel 2 is used for a floppy drive or a possible tape drive unit. DMA channels 1 and 7 are available. DMA channel 4 is used for the second DMA controller (cascades to DMA channels 0–3).
5.	Correct Answer = B Two devices can be attached to a single IDE controller. For example, the first device attached to the primary IDE controller would be your “master” or primary hard drive. The second device attached to your primary IDE/ATA controller is your “slave” or secondary device.
6.	Correct Answer = A IRQ 1 is reserved for a standard 101/102 keyboard. IRQ 2 is an interrupt controller (cascaded to IRQ 9). IRQ 9 is cascaded to IRQ 2.
7.	Correct Answers = A, C, and D Common touch screen technologies include capacitive, resistive, and surface wave technologies.
8.	Correct Answer = A The most common methods used today to transfer information from a one PDA to another PDA are through IR (Infrared)/IrDA (Infrared Data Association) or Bluetooth (wireless specification standard).
9.	Correct Answers = C and E Most digital cameras are connected to a computer system using a USB port or serial port that is IEEE 1394 compliant.
10.	Correct Answer = C One of the most common mistakes made by laptop users is choosing the wrong hardware profile when a system is booted. If you choose a docked profile when the laptop is undocked or vice versa, it is likely that the wrong device drivers will be loaded for video, mouse, keyboard, network, printing, or sound.
11.	Correct Answer = A A port replicator is similar to a docking station except it does not have slots for storage or expansion cards.
12.	Correct Answer = C Earlier NiCad batteries suffered from a phenomenon known as memory effect. For example, if these battery types are recharged before most of their power is used up, they will lose their ability to become fully charged.
13.	Correct Answer = E A fuel cell produces hydrogen that is converted from methanol or alcohol. It is proposed that fuel cell may replace the popular lithium ion batteries used in most laptops. A fuel cell lasts up to 10 hours without a need to recharge.