ACIT Module 2 Study Guide (Ans)

A user is building a new computer system. Why would the user select a DDR3?

To install a memory module

What characteristic best describes an AR headset?

A head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings

A technician has installed a new second hard drive in a tower computer, but the drive does not show up in the BIOS. What are two things the technician should check first?

Data and power cables are attached; The drive port is enabled in the BIOS

Where would a technician use an RG-6 cable?

When replacing cable TV cabling

A user is building a custom computer system for light to medium graphic design, programming, and gaming. Which two components would be appropriate?

Dedicated video card; SSD

A technician is installing memory into a computer and notices two black memory slots and two blue memory slots. Which memory technology does this motherboard use?

Dual channel

A user reports random blotches on the screen while playing games. What are two possible causes?

Loose video cable; GPU overheating

A technician needs a storage drive that connects directly to the PCIe bus and provides reliability. Which device meets these requirements?

NVMe M.2

Which statement describes a feature of SDRAM?

It can process overlapping instructions in parallel

A technician is asked to configure a laptop for LoJack. What must the technician do?

Enable it in BIOS

A technician researching a computer that reboots randomly should check for distended capacitors. Where are these located?

On the motherboard

A company is deploying both thin and thick client computers. Which step is required for thin clients but not thick clients?

Connect to the application server

A user wants a RAID drive that is magnetic, fast, and fits in a tower case. Which drive meets the requirements?

3.5 inch 15K drive

What characteristic best describes a barcode scanner?

An input device that reads barcodes affixed to retail products

What characteristic best describes a stylus?

A pen-like tool that allows input by touching the screen

Why would a user select a straight-through cable?

To connect a device to a wired network

Why would a user select two hard drives?

To configure a RAID

Why would a user select a DVI to VGA adaptor?

To attach to an analog monitor

What characteristic best describes a flatbed scanner?

An input device that digitizes images placed on a flat glass surface

Why would a user select a PCIe x16 expansion slot?

To install a video card

Why would a user select external screws?

To install a power supply in a PC tower case

What characteristic best describes a KVM switch?

A device allowing one set of peripherals to control multiple computers

Why would a user select a 24-pin connector?

To attach power to the motherboard

What characteristic best describes a projector?

An output device used to present information from a laptop

What characteristic best describes a VR headset?

A head-mounted device with head-motion and eye-tracking sensors displaying 3D images

What characteristic best describes a touch screen?

An input device that recognizes touch and pressure

What characteristic best describes a magstripe reader?

An input device that reads encoded information from the back of plastic cards

What characteristic best describes a monitor?

An output device that uses LED, LCD, or OLED technology

What characteristic best describes a signature pad?

An input device that provides verification of package delivery

What characteristic best describes a joystick?

An input device for games and flight simulation

What characteristic best describes a keyboard?

The first type of input device for creating documents and emails

What characteristic best describes a biometric scanner?

An input device for secure access using voice, facial, or fingerprint recognition

Why would a user select three hard drives?

To configure a RAID