Ch. 1 IT

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

3.3, 5 and 12 Volt

What is an active cooling solution for a PC?

A case fan

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?

A power supply

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

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

Allows the CPU to communicate with slower speed devices including hard drives, Universal Serial Bus (USB) ports, and expansion slots

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

Anti static wrist strap or Mat

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?

Available PATA or SATA connection

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

Chipset

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

Controls High speed access to the RAM and video card and controls the speed at which the CPU communicates with the other components in the computer an IO Ports

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

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

Facial recognition Scanner

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 recommended to accomplish the required task?

Flatbed scanner

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

HDMI

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

Hard drive and Tape Drive

Why is it important to ground both computers and network devices?

It provides a path of least resistance

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 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 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?

Magnetic Strip reader

Which two devices are considered input devices?

Mouse And Keyboard

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 reader

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

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

RAM

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

RPM

Which type of memory is primarily used as cache memory?

SPRAM

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?

Solid State Drive (ssd)

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

To protect the components from ESD.

Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?

Used with dedicated GPU

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