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WorksheetsIT Essentials v7.0 Chapter 1 Exam Study Guide
Total questions: 23
Worksheet time: 17mins
Which two PC components communicate with the CPU through the Southbridge chipset? (Choose two.)
64-bit gigabit Ethernet adapter
hard drive
RAM
video card
Which three devices are considered output devices? (Choose three.)
mouse
monitor
fingerprint scanner
headphones
printer
Which action can reduce the risk of ESD damage when computer equipment is being worked on?
Working on a grounded antistatic mat
moving cordless phones away from the work area
keeping the computer plugged into a surge protector
lowering the humidity level in the work area
Which statement describes Augmented Reality (AR) technology?
It superimposes images and audio over the real world in real time.
The headset closes off any ambient light to users.
It always requires a headset.
It does not provide users with immediate access to information about their real surroundings.
Which port allows for the transmission of high definition video using the DisplayPort protocol?
DVI
VGA
RCA
Thunderbolt
Refer to the exhibit. How is the connector used in a PC?
to connect disk drives
to supply power to various internal components
to connect legacy floppy drives
to connect optical drives
How are the internal components of a computer protected against ESD?
by using computer cases made out of plastic or aluminum
by unplugging the computer after use
by using multiple fans to move warm air through the case
by grounding the internal components via attachment to the case.
Which motherboard form factor has the smallest footprint for use in thin client devices?
Mini-ATX
ITX
Micro-ATX
ATX
A network administrator currently has three servers and needs to add a fourth, but does not have enough room for an additional monitor and keyboard. Which device allows the administrator to connect all the servers to a single monitor and keyboard?
PS/2 hub
touch screen monitor
KVM switch
USB switch
UPS
A technician wants to replace a failing power supply on a high-end gaming computer. Which form factor should the technician be looking for?
AT
ATX12V
ATX
EPS12V
Which type of input device can identify users based on their voice?
scanner
digitizer
biometric identification device
KVM switch
Refer to the exhibit. What type of connecter is displayed?
Molex to SATA adapter
Usb to PS/2 adapter
HDMI to VGA converter
DVI to HDMI adapter
Which expansion slot is used by an NVMe compliant device?
SATA
PCIe
PCI
USB-C
Which disk drive type contains a magnetic HDD with onboard flash memory serving as a non-volatile cache?
SCSI
SSD
NVMe
SSHD
keep all components in antistatic bags; use grounded floor mats in work areas.
(a)
most common power supply on market. It includes a second motherboard connector to provide dedicated power to the CPU.
(a)
power supply that was originally designed for network server, but is now commonly used in high-end desktop models
(a)
a printed circuit board that contains busses, or electrical pathways, that interconnects electronic components
(a)
controls high speed access to the RAM and video card
(a)
allows the CPU to communicate with slower speed devices like hard drives, USB ports and expansion slots
(a)
nonvolatile memory chip that can be erased by exposing it to strong ultraviolet light
(a)
read-only memory chip that is manufactured blank and can be programmed when needed
(a)
internal cache that is integrated into the CPU
(a)
