MID TERM
A computer needs to have a power supply replaced. The computer has one PATA optical drive, two SATA hard drives, an external SATA hard drive, and an external USB hard drive. How many unique power connection types are needed from the power supply for all this storage?
2
What frequency is at the upper end of the human hearing range?
20KHz
Device Manager is useful in showing current assignments for
All of these assignments.
Which RAID level does NOT provide reliability? 5 01 10
All these RAID levels provide reliability.
Which one of the following is a common subsystem among printers?
All these are subsystems.
What happens when the small battery on the motherboard dies?
Configuration information inside CMOS is lost and must be entered and saved again using System BIOS.
RAM is not volatile
False
In what environment is an XMP module most likely used?
Gaming computer
What does partitioning the hard drive mean?
Giving the hard drive a drive letter and/or allowing the hard drive to be seen as more than one drive
An inkjet printer printhead has just been replaced, but the print quality is not as good as it has been. What should the technician try first when responding to this service call?
Perform a printhead alignment.
CMOS holds the computer's ____
current BIOS configuration
Which desktop computer component holds memory, ports, and, optionally expansion slots?
motherboard
Refer to the figure below. what component is labeled 3?
not a RAM slot maybe cmos
Which components are end user storage devices? (Select all that apply.)
optical drive hard drive
XMP modules allow BIOS/UEFI to configure and monitor voltage and timing settings
true
IT technicians are frequently required to lift up to ___ pounds in the normal course of a day's work.
50
A customer with an older computer that has not had any hardware upgrades wants to install a newer, faster optical drive. What would you advise?
A faster drive may not help because the system resources may limit its performance.
Which scenario contains an example of active listening?
A technician is listening to someone explain a printer problem. The technician follows the person to the printer so the person can show and explain what is happening with the printer.
Which of these statements is false? C) Audio cds played through a headphone jack on the front of an optical drive are as good as stereo
Audio cds played through a headphone jack on the front of an optical drive are as good as stereo
While working with a cable and connector, you discover that the connector is keyed. This means that the connector
Can be inserted only one way
Which phase of the laser printing process places a uniform electrical charge on the printer drum?
Charging
A teacher wants to print pages 1 to 10 of a handout and have the copies be separated from pages 11 to 20. Which printer setting would allow this?
Collate
A technician disassembles a desktop computer. After completely reassembling the unit, the technician observes that the motherboard standoffs were not installed. Read each statement below and select the one that best explains how the technician should handle the situation
Correctly install the standoffs to prevent grounding problems or worse.
What is the first step in configuring Windows Storage Spaces?
Create a pool.
Which specification is designed to protect copyrighted material?
DRM
Refer to the figure below. What connector type is the one labeled 1?
DVI-I
Which step of the laser printing process places toner on the drum image?
Developing
Which device installation would require calibration as part of the process?
Digitizer
Which technology puts stored data into RAM where it is retrieved faster?
Disk cache
Joe has a cable he is trying to identify. Refer to the figure below to help. What type of cable is shown?
DisplayPort
Which of the following is relevant to a technician replacing a hard drive in a laptop?
Ensure the correct form factor is selected.
A user reports that the computer is issuing a series of repeated beeps and will not boot. When talking to the user, the technician discovers that the computer has been displaying errors later in the afternoon when multiple applications were being used. What is the probable cause of this problem?
Failed module
A smartphone has the capability to place a call to anywhere in the world without being connected to the Internet
False
DD4RL memory chips are different in that they have lower latency rates.
False
Keep humidity below 1 percent to reduce the threat of ESD.
False
Most memory on the motherboard is SRAM
False
NTFS has a maximum of 4GB per hard drive volume
False
One hard disk metal plate is called a cylinder.
False
Ram memory is faster than cache memory.
False
Rooting means the mobile device needs another battery
False
Software must be specifically written to take advantage of dual- or quad-core CPUs
False
TOSLINK is associated with HDMI ports.
False
When a technician asks the computer operator whether the computer boots, the technician is asking an open-ended question
False
When installing a processor, the power supply should be turned off, but the power cord should stay attached
False
Martha, a new computer user , looks at the maze of cables connected to each adapter found in back of her computer. Like a motivated detective she is determined to uncover the mysteries of what she sees. The simplest way for her to identify what the adapters do is to
Follow the cable from the adapter to the device to which it is connected
What laser printer component supplies voltage to the primary corona or conditioning roller?
High voltage power supply
A number assigned to expansion adapters or ports so that the CPU can prioritize between two (or more) devices that need attention is a(n)
IRQ
Major microprocessor manufacturers are
Intel, Motorola, and AMD
Bits of data travel inside the processor on the
Internal data bus
Which one of the following statements is true about fiber optic cable?
It is the most expensive cable type
How can wear leveling extend the life of an SSD?
It writes data across all the memory, so the same blocks of memory do not get written and rewritten into repeatedly.
How can you reduce the chance of static electricity harming your computer when an antistatic strap is not available?
Keep in contact with the metal case of the power supply.
The average number of hours before a device is likely to fail is called the
MTBF Mean Time Between Failures
Your computer displays a disk error each time you attempt to access a CD. You take the computer to the PC shop and explain that you think the problem is a bad optical drive. "I'm going to strip your computer down to the bare metal," the technician says, "then I'll rebuild it and check out every piece until I make it work right. I do that with every machine brought in here." The technician's method of repairing the computer:
Makes you wonder about the experience level of the technician
Guided by rails, the impact printer printhead moves across a carriage. The movement is handled by what printer subsystem?
Marking
A technician notices that the display seems to be dark and bluish in color. The motherboard has both a VGA and an HDMI port. When the technician powers down the system and attaches the HDMI cable instead of the VGA cable, the problem is resolved. What was the problem?
One or more pins on the VGA port is damaged.
Which interface cannot be used for an external CD/DVD drive?
PATA
A family is considering purchasing a 3D printer. Which consumable should they also consider?
Plastic filament
What is one of the most beneficial aids for troubleshooting a motherboard?
Power-on-Self-Test (POST)
A network printer can be seen through the network and can print a self-test page, but can no longer be used by any host on the network. What should the technician check first?
Printer IP address configuration
Over time, DRAM chips lose their charge. The process of rewriting the information is called
Refreshing
What part of a speaker cancels out the magnetic interference and keeps the interference away from other devices?
Shielding
Happy-go-lucky Harry decides to open his computer case to see what he can see. After a few moments of pondering, he notices three cables connect to the motherboard. He pulls at one and disconnects it from the motherboard. Delighted at his success at removing something, he pulls out all but one cable. He is interrupted by a phone call and when he returns, he realizes that he has forgotten which direction the cables face to be correctly reinserted into the board. What is the simplest thing you can do to solve Harry's problem?
Tell Harry to look how the cables are keyed to only be inserted one way.
Which clue would more likely indicate a motherboard problem?
The PC randomly reboots.
What is the best indication that a laptop battery needs to be replaced?
The laptop operates only from AC power.
USB speakers have the advantage of reducing the opportunity for interference. What is the potential drawback?
They require more work from the CPU.
Why should a technician be able to use a tool such as the Windows Snipping Tool?
To be able to capture what is on the screen.
There are black specks on a laser printer output. What should the technician use first?
Toner vacuum
Which phase of the laser printing process places the toner particles from the drum onto the paper?
Transferring
A GPT is used on 64-bit Windows operating systems
True
A closed source operating system allows no modifications
True
A piece of software that allows the operating system to communicate with an optical drive is a device driver
True
A virtual private network is used to connect one device to another device through a public network such as the Internet
True
An e-reader has an LCD screen designed for reading and storing digital books, magazines, and other online materials
True
Being able to disable a port on an integrated motherboard is important if the port goes bad
True
Buffered (registered SDRAM) delays data transfers by one clock cycle for accuracy
True
CPUs can come with a thermal solution with preapplied thermal paste or a thermal pad
True
Disk cache or virtual memory speeds up hard drive data access
True
GPS is a series of satellites that provide location, movement, and time information to other devices
True
Hyper-Threading allows a single processor to appear to the system as multiple processors
True
Laptop motherboards are similar to desktop motherboards in that they are mobile and hold the majority of their electronics, contain a processor, have memory, and support having ports attached
True
Memory modules that have thermal sensors frequently have TS listed in their model number or in the description
True
MiniPCIe was developed to allow PCIe upgrades and interface cards to be added to laptops, docking stations, and printers
True
Most BIOS chips are an example of flash memory.
True
Most inkjet printers use heat to make the ink squirt onto the paper.
True
The Windows Memory Diagnostics tool can be used to troubleshoot suspect memory modules
True
The chipset determines how many USB ports a manufacturer can support
True
The most common file system used with Windows is NTFS
True
The power supply is the part of the computer that converts the wall outlet AC voltage to DC voltage
True
Windows has a troubleshooter tool to help with printing problems
True
Which answer is an updated version of the system BIOS to allow such things as booting without a keyboard attached and antivirus software as part of the BIOS?
UEFI
What upgrade would help productivity on a color laser printer?
Upgrade the memory.
A person wants to synchronize data between an iPhone and a work PC. What would be the fastest way for this task to be performed?
Use a USB cable and iTunes.
Karl learned to type on a manual typewriter and he pounds the keys on his laptop. He complains that the computer has random pointer actions and the cursor jumps around causing him to make typing errors. What should the technician do to solve this problem?
Use the function keys or Control Panel to disable the touch pad.
Jack, the wise and experienced PC technician, shows his professional skills to a customer by plugging the three-row 15-pin connector into the
Video port
A networked laser printer has toner, power, documents in the queue, and the network port has connectivity, but no network host can print to the printer. What should the technician check?
Whether the print spooler service is running
The number of bits processed at one time is the processor's
Word size
You should use a/an _____ when installing an adapter into a PC
antistatic wrist strap
Which components are output devices?
display speakers printer
Adapters are installed into _______
expansion slots
