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Computer Maint. Rev.

CISCO Networking Acadmemy - Review - Fall Mid-Terms

QuestionAnswer
What Windows XP utility will check the hard drive file system for errors? Chkdsk
What medium can hold an entire 4GB o data on a single disc? DVD +/-R
What component is often easier to install before mounting the motherboard in the case? CPU
How does the POST indicate an error A number of short beeps
At which point must a key be pressed to sstart the BIOS setup program? during the POST
How do you boot into safe mode? Reboot the system, press and hold F8 until a menu is desplayed, and then select Safe Mode.
How many conductors are found in a SATA data cable? 7
How many devices can a single USB port support? 127
How many exams must an A+ Certification candidate pass? 2
How is bandwidth measured on a network? bits per second
In what situations should a technician create a restore point? before an operating system update and before installing a new device driver
What two types of PATA data cables are there? 40 and 80
What tools could be run to try and improve the performance of the computer? Defrag and Disk cleanup
What is recommended to remove dust from inside a computer case? can of compressed air
What command will totally erase the hard drive? Format
What is another name for a PATA cable? ribbon cable
What connects a computer to a network using radio frequencies? wireless NIC
What does 'LCD' stand for? Liquid Crystal Display
What protects against surges and spikes, and also diverts extra electrical voltage to the ground? Surge suppressor
What does 'IT' stand for? Information Technology
What do you call a program that displays advertising on a computer that was distributed with download software? spyware
What checks to make sure all components in the computer are working? BIOS and POST
What is the "measure of force required to puch electrons through circuit" called? Voltage
What is the most reliable way for users to buy the correct RAM to upgrade a computer? Check the motherboard manual or manufacturer's manual
When turning on a computer, which drive is usually accessed (read) first? CD/DVD Drive
When should you NOT wear an anti-static wrist strap? When repairing a CRT or laser printer
Which type of memory is unable to have the contents modified? ROM
What devices are considered output devices? headphones, monitor, and printer
What type of computer resources are direct lines to the processor used by computer components to request information from the CPU? IRQs
What devices are considered input devices? keyboard, mouse
What unit of measurement is used for the hard drive speed? revolutions per minute
What unit of measurement is used for the hard drive capacity? bytes
What form factors are commonly used to build a new computer? ATX and BTX
What computer components contain hazardous materials and require special handling for disposal? batteries, monitors, and printer toner cartridges
What step should be performed first when servicing computer equipment? Turn off and remove the power source
What tools can help protect against ESD? antistatic wrist strap and antistatic mat
What tools can help protect a computer from malicious attacks? anti-virus software and spyware remover
Which component is installed in a ZIF socket? CPU
Which precaution should be taken when working around electronic devices? Avoid using magnetized tools
Which technology was developed to simplify the installation of new hardware? PnP
Which set of related files store all the settings of a Windows XP installation? Registry
Which disk management tool clears hard drive space by searching for files that can be safely deleted? Disk cleanup
Which class of fire extinguisher should be used to fight an electrical fire? Class C
Which type of program allows the user to view the Internet? browser
What provides workers and emergency personnel with procedures for handling or working with a substance in a safe manner? MSDS
Thousand = kilo-
Million = mega-
Billion = giga-
Trillion = tera-
Quadrillion = peta-
Created by: punisher42
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