chapter 1

A customer needs additional storage space on an older computer. What will the technician look at in the computer to determine if an additional hard drive can be added?

an available PATA/SATA connection

Which characteristic describes a DIP?

an individual memory chip that has dual rows of pins used to attach it to the motherboard

how are the internal components of a computer protected against esd

anti static wrist strap

Which tool can protect computer components from the effects of ESD?

antistatic wrist strap

which statement describes augmented reality technology

augmented reality delivers virtual elements as an overlay to the real world

Which two devices are considered input devices?

biometric authentication device

which type of input device can identify users based on their voice

biometric identification device

A customer comes into a computer parts and service store. The customer is looking for a device to provide secure access to the central server room using a retinal scan. What device should the store owner recommend to accomplish the required task?

biometric scanner

Which characteristic describes GDDR SDRAM?

chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

Which characteristic describes PROM?

chips that are manufactured blank and then can be programmed once by a PROM programmer

Which characteristic describes ECC memory?

chips that can detect multiple bit errors and correct single bit errors in memory

Which characteristic describes DDR3 SDRAM?

chips that run at clock speeds of 800 MHz and have a connector with 240 pins

Which component controls the communications and interactions between the CPU and other components on the motherboard?

chipset

A customer comes into a computer parts and service store. The customer is looking for a device to scan some old family photos into a laptop. What device should the store owner recommend to accomplish the required task?

flatbed scanner

Which devices are considered output devices?

headphones monitor printer

A customer comes into a computer parts and service store. The customer is looking for a device to train pilots how to land and take off in a computer simulation environment. What device should the store owner recommend to accomplish the required task?

joystick or gamepad

A customer comes into a computer parts and service store. The customer is looking for a device to manually input text for a new networking textbook that the customer is writing. What device should the store owner recommend to accomplish the required task?

keyboard

A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?

magstripe reader

Which motherboard form factor has the smallest footprint for use in thin client devices?

microATX

Refer to the exhibit. Which two port types are shown in the graphic? (pic has 2 ports)

network USB

Refer to the exhibit. Which type of adapter is shown? (the pic of the green card thing)

network interface

which expansion slot is used by an nvme compliant device

pci-e slot

A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector?

power supply

A customer comes into a computer parts and service store. The customer is looking for a device to display a promotional presentation to a large audience at a conference. What device should the store owner recommend to accomplish the required task?

projector

Which unit of measurement is used to indicate the hard drive speed?

revolutions per minute

A customer comes into a computer parts and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task?

stylus

which disk drive type contains a magnetic HDD with onboard flash memory serving as a non volatile cache

surfaces Solid-state drive

Which two storage devices use a magnetic medium for storing data?

tape drive hard disk drive

Refer to the exhibit. How is the connector used in a PC?(black and yellow cord)

to supply power to various internal components

Which adapter would a technician install in a desktop computer to enable a video signal to be recorded from a video recorder to the computer hard drive?

video capture card

what actions can reduce the risk of ESD damage when computer equipment is being worked on

working on a grounded antistatic mat

What is the voltage of the yellow wire

+12V

What is the voltage of the orange wire

+3.3V

What is the voltage of the red wire

+5v

What three voltages are commonly provided by the power supply to the various components inside the computer?

3.3 volts 5 volts 12 volts

A customer comes into a computer parts and service store. The customer is looking for a device to help when repairing an airplane and that will allow the customer to see and interact with the repair manual at the same time. What device should the store owner recommend to accomplish the required task?

AR headset

What is an active cooling solution for a PC?

Add an additional case fan.

Which statement describes the proper use of an anti-static wrist strap?

An anti-static wrist strap should make contact with the skin.

A technician is building a thick client workstation that would be used to run a database and wants to ensure the best protection against errors. What type of memory would be best suited for this?

ECC

A technician wants to replace a failing power supply on a high-end gaming computer. Which form factor should the technician be looking for?

EPS12V

What is the voltage of the black wire

Ground

Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?

HDMI

which port allows for transmission of high definition video using the display port protocol

HDMI

Hard drives in a grocery warehouse keep failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure rate?

Install an SSD drive in each computer.

Which statement describes a characteristic of SRAM in a PC?

It is used for cache memory.

Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?

It is used in conjunction with a dedicated GPU.

A customer has a computer for a home business, but wants to have another computer as a web server. What would be the best solution for the customer to share the monitor, mouse, and keyboard between the two computers?

KVM switch

A customer comes into a computer parts and service store. The customer is looking for a device to allow users to tap and pay for their purchases. What device should the store owner recommend to accomplish the required task?

NFC device

From which type of data storage does the CPU load information for processing during normal operation?

RAM

Which motherboard components connect to the Northbridge chipset?

RAM video card

Which type of memory is primarily used as cache memory?

SRAM

Which two components usually interface directly with the Southbridge chipset on the motherboard?

USB ports hard drive

refer to the exhibit. what type of connector is displayed

VGA to HDMI adapter

Which type of device would be used on a laptop to verify the identity of a user?

a biometric identification device

Which characteristic describes ROM?

a chip that cannot be erased or rewritten and is now obsolete

Which characteristic describes EPROM?

a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light

Which characteristic describes a SIMM?

a small circuit board that holds several memory chips and has a 30- or 72-pin configuration

Which two activities are normally controlled by the Northbridge part of the chipset?

access to the RAM access to the video card