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WorksheetsDIT Unit 3 Study Guide
Total questions: 61
Worksheet time: 46mins
Which of the following is a disadvantage of notebook systems?
The battery is difficult to replace.
They require AC power.
Productivity apps are difficult to use.
They are more expensive.
Abby needs a device that she can take to a client's location and show presentations from. Which of the following devices would be the BEST option for her?
Desktop computer
Laptop
Server
Gaming console
Which of the following is an example of computer hardware?
PowerPoint
Microchip
App
Web browser
Which of the following devices make use of a battery as its main power source? (Select two.)
Gaming console
Server
Smartphone
Laptop
Desktop
Which of the following devices would be easiest to repair?
Gaming console
Smartphone
Desktop computer
Laptop
Which of the following devices generally include a variety of integrated hardware such as a camera? (Select two.)
Smartphone
Laptop
Gaming console
Desktop computer
Server
Which of the following devices would be the BEST option for a gamer?
Laptop
Server
Smartphone
Desktop computer
Tina has accepted a position as a graphic designer. She wants a powerful device that she can connect multiple large screens to. Which device would be the BEST option for her?
Server
Smartphone
Laptop
Desktop computer
Which of the following is primarily operated by a touchscreen?
Desktop
Network
Tablet
Notebook
Abby wants a high-end computer system for her home office that can be upgraded. Which of the following should she choose?
Gaming Console
Desktop
Server
Laptop
Which of the following components stores values in short-term memory?
Flash drive
Hard drive
RAM
Processor
Which hardware component processes data?
SSD
HDD
CPU
RAM
Which of the following components converts AC to DC?
Voltage regulator
Surge protector
Power supply
Capacitor
Which of the following computer components is the MOST important part of any modern computer?
BIOS
RAM
CPU
NIC
Becca is working on a program that will store data. The program will need quick access to data and data persistence is not important. Where should the data be stored?
In memory
In a database
In flash memory
In a flat file
Which of the following should be done before working on hardware in a computer system?
Ground yourself using an ESD wrist strap
Ensure the system is plugged in
Touch a plastic part of the case
Rub your feet on the carpet
Which of the following voltages from an ESD discharge would be the minimum to short a computer's hardware components?
5 volts
3.3 volts
12 volts
100 volts
Where are values the computer is directly working with at a particular moment in time stored?
On the CPU register
On RAM
On the hard drive
On the CPU clock
Which of the following companies is a manufacturer of CPUs?
Apple
nVidia
DELL
Intel
Which CPU type would MOST LIKELY be found in a smartphone?
x86
IA-64
x64
ARM
Which of these are Hardware? (Select 3.)
Monitor
Operating system
Power cable
RAM
Video game
Which of these are software? (Select 3.)
Operating system
Video game controller
RAM
Video game
Internet browser
Which of the following is the term for a device (usually external to a computer) that is plugged into a computer's communication port or connected wirelessly?
A plug-in
A peripheral
An attachment
A flash drive
Which type of connector is commonly used for keyboards and mice?
RCA
USB
XLR
TRS
A customer has brought a computer in to be repaired. He said he thinks that the sound card has stopped working because no audio is produced when music, video, or DVDs are played.
Which troubleshooting step should you take first? (Select two.)
Download and install the latest sound card drivers.
Replace the sound card with a known-good spare.
Verify that the volume isn't muted.
Verify that speakers are plugged into the correct jack and are powered on.
Verify that no IRQ or I/O port address conflicts exist between the card and other devices in the system.
You are troubleshooting a malfunctioning notebook computer. Nothing appears on the LED display when the system is powered on.
Which of the following is the BEST step to try first?
Replace the video card
Plug in an external monitor
Replace the motherboard
Calibrate the battery
Which connector on the back of a computer is used to attach a mouse to a modern PC system?
Low-density (two row), female DB-15
Mini-DIN
USB B
USB A
RJ-45
Which kind of connector is pictured here?
LC/SC
NEMA 5-15R
RJ-45
USB
You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work.
Which of the following troubleshooting steps is the BEST to try first?
Make sure the USB device is plugged in properly.
Try a different USB cable.
Replace the USB device.
Install a new USB controller card.
You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. After the installation, the system frequently crashes when you try to access the new device.
Which of the following steps would MOST likely resolve this issue?
Remove and then reinstall the device.
Run the Add Legacy Hardware wizard and manually configure the device.
Download and install the latest driver from the manufacturer's website.
Replace the device itself.
Jeff has been asked to replace a monitor on a workstation. Which of the following device interfaces could he use to connect the new monitor?
DVI
UPS
SSID
USB
Which of the following is NOT a long-term storage device?
Hard disk
Flash drive
Compact disc
RAM
Which of the following uses persistent memory chips to store data?
RAM
Hard disk
Compact disc
Flash drive
Which of the following stores data using microscopic light and dark spots?
RAM
Compact disc
Hard disk
Flash drive
A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
A flash device with storage capacity similar to a small hard drive.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
Uses lasers to read and write information stored in the form of pits in their reflective coating.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
Up to several TB in storage capacity and cost per MB is cheap.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
Faster than other devices. No moving parts. Last longer than other storage devices.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
Ideal for music and video. Portable and cheap with a long shelf life.
Hard disk drive (HDD)
Solid state drive (SSD)
Optical disc drive
You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs?
Hard disk
SSD
USB flash drive
Optical
Which of the following is not an advantage of SSDs over HDDs?
Small and light
Low power consumption
Durable
Inexpensive
Which of the following are optical storage devices? (Select three.)
BD
CD
SSD
DVD
USB flash drive
Which of the following has the ability to store user data even if the power to the computer is off?
Hard drive
Firmware/BIOS
System memory
Cache memory
Which of the following divides a single physical disk into multiple logical drives called volumes?
Fragmentation
Defragmentation
Journaling
Partitioning
If a folder exists on an NTFS partition, which permission is needed by a user who needs to set security permissions on the folder?
Read
Execute
Full Control
Write
Which of the following is often the hardest part of troubleshooting?
Documenting findings
Reproducing the problem
Asking the user questions
Implementing a solution
Which of the following problems would be the MOST difficult to troubleshoot?
Hardware error
Intermittent problem
Software error
Overheating
An employee submitted a support ticket stating that her computer will not turn on.
Which of the following troubleshooting steps should you take first? (Select two.)
Make sure the power cord is plugged into the wall.
Open the computer and replace the power supply.
Make sure the keyboard and mouse are plugged in.
Make sure the surge protector is turned on.
Use a multimeter to test the power supply.
Anna, a technician, is helping a customer troubleshoot an issue where a server will intermittently become inaccessible to employees. Anna has completed researching the knowledge bases available. What should Anna do NEXT as part of standard troubleshooting methodology?
Establish a plan of action to solve the problem
Establish a theory of probable cause
Identify the problem
Test the theory to determine the cause
While troubleshooting a problem with a computer, a technician has tested and confirmed a theory on how to fix the problem. Which of the following is the NEXT step the technician should perform?
Verify full system functionality and, if applicable, implement preventive measures
Establish a plan of action to solve the problem and identify potential effects
Implement the solution or escalate as necessary
Document findings/lessons learned, actions, and outcomes
Marcus was assigned to troubleshoot a problem with a customer not being able to access a cloud application. Which of the following is the LAST step in the troubleshooting methodology that should be completed?
Document findings/lessons learned, actions, and outcomes
Establish a plan of action to solve the problem and identify potential effects
Verify full system functionality and, if applicable, implement preventive measures
Implement the solution or escalate as necessary
The troubleshooting methodology starts by identifying the problem. The first step in identifying the problem is to gather information. Which of the following is the NEXT step?
Establish a theory of probable cause
Duplicate the problem, if possible
Establish a plan of action
Identify symptoms
Which of the following is a top cause of motherboard failure?
Corrupted BIOS
Liquid damage
Incompatible chipset driver
Physical damage
A computer has power, but there are no beeps and the computer does not boot. Which of the following would be the MOST LIKELY cause?
No operating system installed
CPU failure
Hard drive failure
Outdated BIOS
Which of the following would be the MOST LIKELY cause for a computer to perform sluggishly?
Power supply
RAM
CPU
Hard drive
Which of the following would a PC repair technician work on?
Smartphone screen
Application code
Laptop
Server
Which of the following is the MOST important skill for a PC technician?
Quick repairs
Lifting over 100 lbs.
Organizational skills
Customer service
Which of the following would be the MINIMUM qualification for a PC technician job?
Master's degree in Computer Science
Industry certification
Bachelor's degree in Computer Science
High school diploma
Which of the following careers consists of designing tiny microchips?
Electrical engineer
Computer programmer
PC technician
System administrator
Which of the following should an electrical engineer be proficient in using?
CAD software
Programming language
Game engine
Server operating system
