Deck #003 Flashcards
To prevent damage to a computer, the computer should be connected to which of the following?
a) A power strip
b) A power inverter
c) An AC to DC converter
d) A UPS
Answer: d
Which of the following are ports you might find on smartphones and tablets? (Select the two best answers.)
a) eSATA
b) Micro USB
c) Lightning
d) DVI
Answer: b, c
Which of the following has the fastest data throughput?
a) CD-ROM
b) Hard drive
c) RAM
d) USB
Answer: c
Which of the following CPU cooling methods is the most common?
a) Heat sink
b) Heat sink and fan
c) Liquid cooling
d) Liquid nitrogen
Answer: b
Which of the following is not a video port?
a) DVI
b) HDMI
c) DisplayPort
d) S/PDIF
Answer: d
Which of the following is necessary for a CAD/CAM workstation? (Select the two best answers.)
a) Powerful CPU
b) HDMI output
c) Surround sound
d) High-end video
Answer: AD
Which of the following technologies allows two mobile devices to transfer data simply by touching them together?
a) USB
b) NFC
c) Bluetooth
d) Wi-Fi
Answer: b
Which kind of current does a typical desktop PC draw from a wall outlet?
a) Direct current
b) Neutral current
c) Alternating current
d) Draw current
Answer: c
Which of the following are output devices? (Select the three best answers.)
a) Speakers
b) Keyboard
c) Mouse
d) Printer
e) Display
f) Touchpad
Answer: a, d, e
A customer complains that he gets a headache when he views his display for more than an hour. What should you do?
a) Raise the resolution to a higher setting.
b) Install an antiglare filter.
c) Dim the lights near the customer’s desk.
d) Upgrade the video connector from DVI to VGA.
Answer: b
What does the b in 1000 Mbps stand for?
a) Megabytes
b) Bits
c) Bytes
d) Bandwidth
Answer: b
When running cable through drop ceilings, which type of cable do you need?
a) PVC
b) Category 5
c) Strong cable
d) Plenum
Answer: B
Which device connects multiple computers together in
a LAN?
a) Modem
b) Router
c) Switch
d) Firewall
Answer: C
Which of the following components is not usually found on a motherboard?
a) Hard drive controller
b) DVD drive controller
c) Memory
d) Video adapter
Answer: B.
DVD drives will use either the ATA or SCSI bus to attach to a computer, so they are not likely to require a controller. Thus, a controller will not be found on the motherboard. For more information, see the section labeled “Storage Devices.”
What type of memory is not usually found on a motherboard?
a) CMOS memory
b) L1 Cache
c) L2 Cache
d) DIMM
Answer: B.
L1 Cache is integrated into the CPU, so it is not found on the motherboard. For more information, see the section labeled “Memory.
The power supply converts 110-volt AC current to which of the following?
a) 3.3 volts and 5 volts
b) 3.3 volts
c) 6 volts
d) 12 volts
Answer: A.
Most power supplies have leads that supply either 3.3 volts or 5 volts. For more information, see the section labeled “Power Supply.”
What is the primary purpose of the processor?
a) To convert digital signals into analog signals
b) To process signals so that they can be displayed on your monitor
c) To carry out instructions from the operating system
d) To convert 16-bit data into 8- or 32-bit data
Answer: c
What unit is used to measure RAM speed?
a) Milliseconds
b) Gigaseconds
c) Picoseconds
d) Nanoseconds
Answer: D.
The normal measurement for RAM is nanoseconds. For more information, see the section labeled “Memory.”
Which of the following bus types is the hard drive usually attached to? (Select two)
a) A.ADE
b) B.IDE
c) C.PCA
d) D.SCSI
Answer: B, D.
Hard drives are usually attached to IDE and SCSI buses. The IDE bus is now usually referred to as ATA. Many laptops also support PCMCIA, or PC card drives as well. For more information, see the section labeled “Storage Devices.”
What standard do most current monitors follow?
a) VGA
b) SVGA
c) CGA
d) FLAT
Answer: B.
SVGA is the current graphic standard that monitors follow.
Modems are usually attached to a computer through the ___________ port.
a) Serial
b) Sequential
c) Parallel
d) Modem
Answer: A.
Modems are serial devices, and as such, are attached to the serial port.
Firmware is composed of which of the following? (Choose two)
a) Software
b) Middleware
c) Hardware
d) Componentware
Answer: A, C.
Firmware consists of programming code or software that is contained within a hardware component, such as a ROM chip.
Which of the following is part of the POST process?
a) Loading of device drivers
b) Scanning the hard drive for errors
c) Processes in config.sys
d) Locating a bootable device.
Answer: D.
Locating a bootable device is part of the POST. Once the device is found, config.sys is processed by the boot loader.
The programs that allow the POST to take place are stored in________________.
a) BIOS
b) CMOS
c) RAM
d) POSTOS
Answer: A.
BIOS contains the programs that allow the POST to take place. The BIOS is stored on a ROM or an EPROM.
