Question 21 (Mandatory) (1 point) What acronym is another name for static electricity, which can damage chips and destroy motherboards? a) LCD b) ESD c) EMI d) CRI Question 22 (Mandatory) (1 point) How many pins are in the power supply connector that is typically used on most motherboards today? a) 20-pin b) 24-pin c) 8-pin d) 15-pin Question 23 (Mandatory) (1 point) What type of RAM is typically installed onto a motherboard and loses data rapidly, requiring it to be refreshed often? a) SRAM b) CMOS RAM c) DRAM d) Flash RAM Question 24 (Mandatory) (1 point) When Amy turns on her computer, she notices a burning smell. Smoke comes out of the case, and Amy immediately turns off her computer. What might be causing Amy's computer to emit smoke and a burning smell? a) Processor error b) RAM error c) Motherboard error d) Power problem Question 25 (Mandatory) (1 point) What is the second step in opening the case of a working computer? a) Press and hold down the power button for a moment b) Back up important data c) Power down the system and unplug it d) Open the case cover Question 26 (Mandatory) (1 point) A processor housing that contains more than one processor is referred to as what term? a) Multithreaded processor b) Multicore processor Multiprocessor platform d) Multihoused processor Question 27 (Mandatory) (1 point) While you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover, you notice a distended capacitor. What can you do to fix this problem? a) Reseat the RAM b) Replace the CMOS battery. c) Replace the power supply. d) Replace the motherboard. Question 28 (Mandatory) (1 point) When handling a motherboard, cards, or drive, which statement is NOT accurate? a) You should not touch chips on the device. b) You should not hold expansion cards by the edges. c) You should not touch any soldered components on a card. d) You should not touch edge connectors. Question 29 (Mandatory) (1 point) What type of processor memory is located on the processor chip (processor die)? a) Level 0 cache b) Level 1 cache c) Level 2 cache d) Level 3 cache Question 30 (Mandatory) (1 point) How many pins are used in a serial port? a) 15 b) o c) 6 d) 25 Question 31 (Mandatory) (1 point) Lin is booting up his computer, and during the boot process, the computer powers down. After several unsuccessful attempts to boot his computer, he decides that he needs to start the troubleshooting process. Lin thinks that the problem could be in the power supply, so he uses a power supply tester. The test shows that the power supply is functioning properly. What should Lin check next in the troubleshooting process? a) Processor b) Motherboard RAM Hard drive Question 32 (Mandatory) (1 point) You go to work after a long weekend and try to turn on your computer. When you push the button on the desktop, the system does not start to boot. The monitor turns on and displays a message saying that there's no signal. When you push the desktop button again, you notice that the lights on the computer are turning on, but you don't hear any sounds coming from the desktop. What is a possible problem with your computer? Power cord is unplugged. b) Video cable is not connected to the desktop. Hard drive has crashed. d) Motherboard no longer works
