chapter 1 it
Which characteristic describes a DIP?
an individual memory chip that has dual rows of pins used to attach it to the motherboard
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
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 statement describes a characteristic of SRAM in a PC?
cache memory
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 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 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 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 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
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 ssd
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?
joy stick
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?
magastrip reader
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?
pata/sata
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 allow users to tap and pay for their purchases. 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?
sram
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
Why is it important to ground both computers and network devices?
to provide a path of least resistance for stray current
Which statement describes the proper use of an anti-static wrist strap?
An anti-static wrist strap should make contact with the skin.
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
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
