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22 Cards in this Set
- Front
- Back
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Which type of data is used to communicate between components of the PC?
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Digital
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Which chip on the motherboard provides a high-speed connection between the CPU and the video controller?
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North Bridge of the chip set
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True of False...ESD increases when the humidity is low?
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True
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True of False. ESD damage will always be evident right away after the first shock?
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False
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What is the first thing you should do before working on the inside of a computer?
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pull the plug to remove all power
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What system resources are shareable?
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IRQ lines and DMA channels
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What is the purpose of a DMA channel?
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It allows data to pass directly to and from an I/O device and system memory and bypass the CPU
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Device controllers interrupt the CPU to request service via:
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IRQ lines
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During the self-test, the actual configuration of the computer system (disk drives, video monitor, memory, etc.) is compared with configuration information stored in the:
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Battery backed up CMOS RAM chip on the motherboard.
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Personal computers perform a self-test when power is applied. The self-test routines are stored in the:
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BOIS ROM (System firmware) on the motherboard
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What combination of keys would you press if you wanted to bypass the autoexec.bat and config.sys files during the DOS startup?
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Shift+F8
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What is the first step performed by POST when you turn on your PC?
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Test basic system components on the motherboard (CPU, BIOS, onboard device controllers, etc.)
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What is the second step performed by POST when you turn on your PC?
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Test video subsystem. Display BIOS message on video screen.
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What is the third step performed by POST when you turn on your PC?
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Test memory. Display total memory count.
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Real mode driver routines (like the cdrom driver) are loaded into memory using the:
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DEVICE= command in the CONFIG.SYS file.
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If your system does not completely boot to DOS from a floppy, but you have verified that your system will boot from the floppy if you bypass the config.sys and autoexec.bat files during boot. What is your next step in determining the problem?
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Press shift-F8 during boot and determine which command is causing the problem.
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If the hidden system file IO.SYS were damaged on your emergency floppy boot disk, what command could be used to copy this file from a hard drive with Windows 98 installed to your floppy boot disk without damaging your other files on the floppy boot disk?
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SYS C: A:
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What is the Value of a Kilo (K)?
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one thousand
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What is the Value of a Mega (M)?
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one million
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What is the Value of a Giga (G)?
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one billion
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How many bits are in a byte?
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8 bits
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X number of cycles per second is measures in
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Hertz (Hz)
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