Comp tech chap 3 test review
Match the storage device types with the description and benefits. Types: Hard Disk Drive (HDD) Solid State drive (SSD) Optical disc drive Descriptions: A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters. A flash device with storage capacity similar to a small hard drive. Uses lasers to read and write information stored in the form of pits in their reflective coating. Up to several TB in storage capacity and cost per MB is cheap. Faster than other devices. No moving parts. Last longer than other storage devices. Ideal for music and video. Portable and cheap with a long shelf life.
A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters. (HDD) A flash device with storage capacity similar to a small hard drive. (SSD) Uses lasers to read and write information stored in the form of pits in their reflective coating. (Optical disc drive) Up to several TB in storage capacity and cost per MB is cheap. (HDD) Faster than other devices. No moving parts. Last longer than other storage devices. (SSD) Ideal for music and video. Portable and cheap with a long shelf life. (optical disc drive)
Match each item on the left to its appropriate category. Categories: Hardware & Software RAM Video game Touchscreen Monitor Internet Browser Power Cable Operating System Video game controller
Hardware: RAM Touchscreen Monitor Power Cable Video game Controller Software: Video game Internet browser Operating System
Which of the following are optical storage devices? (Select three.) a: DVD b: HDD c: SSD d: CD e: USB flash drive f: BD g: SDHC
a: DVD d: CD f: BD
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? a: Download and install the latest driver from the manufacturer's website. b: Remove and then reinstall the device. c: Run the Add Legacy Hardware wizard and manually configure the device. d: Replace the device itself.
a: Download and install the latest driver from the manufacturer's website.
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.) a: Make sure the power cord is plugged into the wall. b: Use a multimeter to test the power supply. c: Make sure the keyboard and mouse are plugged in. d: Make sure the surge protector is turned on. e: Open the computer and replace the power supply.
a: Make sure the power cord is plugged into the wall. d: Make sure the surge protector is turned on.
Which of the following components stores values in short-term memory? a: RAM b: Processer c: Hard Drive d: Flash Drive
a: RAM
Which of the following is NOT a long-term storage device? a: RAM b: Compact disc c: Hard disk d: Flash Drive
a: RAM
Which kind of connector is pictured here? a: USB b: NEMA 5-15R c: RJ-45 d: LC/SC
a: USB
Which of the following is the MOST important skill for a PC technician? a: customer service b: quick repairs c: lifting over 100 lbs d: organizational skills
a: customer service
Which of the following devices would be the BEST option for a gamer? a: desktop computer b: smartphone c: server d: laptop
a: desktop
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? a: plug in an external monitor b: calibrate the battery c: replace the motherboard d: replace the video card
a: plug in an external monitor
Which of the following voltages from an ESD discharge would be the minimum to short a computer's hardware components? a: 12 V b: 100 V c: 5 V d: 3.3 V
b: 100 V
Which of the following should an electrical engineer be proficient in using? a: programming language b: CAD software c: game engine d: server operating system
b: CAD software
Which hardware component processes data? a: SSD b: CPU c: HDD d:RAM
b: CPU
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? a: no operating system installed b: CPU failure c: outdated BIOS d: hard drive failure
b: CPU failure
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? a: Implement the solution or escalate as necessary b: Document findings/lessons learned, actions, and outcomes c: Establish a plan of action to solve the problem and identify potential effects d: Verify full system functionality and, if applicable, implement preventive measures
b: Document findings/lessons learned, actions, and outcomes
Which of the following has the ability to store user data even if the power to the computer is off? a: cache memory b: hard drive c: system memory d: firmware/BIOS
b: Hard drive
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.) a: Verify that no IRQ or I/O port address conflicts exist between the card and other devices in the system. b: Verify that speakers are plugged into the correct jack and are powered on. c: Verify that the volume isn't muted. d: Replace the sound card with a known-good spare. e: Download and install the latest sound card drivers.
b: Verify that speakers are plugged into the correct jack and are powered on. c: Verify that the volume isn't muted.
Which of the following devices would be easiest to repair? a: gaming console b: desktop computer c: laptop d: smartphone
b: desktop computer
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? a: in flash memory b: in memory c: in a flat file d: in a database
b: in memory
Which of the following would be the MINIMUM qualification for a PC technician job? a: masters degree in computer science b: industry certification c: high school diploma d: bachelors degree in computer
b: industry certification
Which of the following problems would be the MOST difficult to troubleshoot? a: overheating b: intermittent problem c: hardware error d: software error
b: intermittent problem
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? a: gaming console b: laptop c: server d: desktop computer
b: laptop
Which of the following devices generally include a variety of integrated hardware such as a camera? (select all that apply) a: desktop computer b: laptop c: server d: smartphone e: gaming console
b: laptop d: smartphone
Which of the following devices make use of a battery as its main power source? (select all that apply) a: server b: laptop c: gaming console d: desktop e: smartphone
b: laptop e: smartphone
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? a: install a new USB controller card b: make sure the USB device is plugged in properly c: try a different USB cable d: replace the USB device
b: make sure the USB device is plugged in properly
Which of the following is an example of computer hardware? a: app b: microchip c: web browser d: powerpoint
b: microchip
Where are values the computer is directly working with at a particular moment in time stored? a: on RAM b: on CPU register c: on CPU clock d: on hard drive
b: on CPU register
Which of the following is a top cause of motherboard failure? a: corrupted BIOS b: physical damage c: liquid damage d: incompatible chipset driver
b: physical damage
Which of the following components converts AC to DC? a: voltage regulator b: power supply c: capacitor d: surge protector
b: power supply
Which of the following is primarily operated by a touchscreen? a: desktop b: tablet c: notebook d: network
b: tablet
Which of the following is a disadvantage of notebook systems? a: the battery is difficult to replace b: they are more expensive c: productivity apps are difficult to use d: they require AC power
b: they are more expensive
Which CPU type would MOST LIKELY be found in a smartphone? a: x86 b: x64 c: ARM d: IA-64
c: ARM
Which of the following computer components is the MOST important part of any modern computer? a: BIOS b: NIC c: CPU d: RAM
c: CPU
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? a: document findings/lessons learned, actions, and outcomes b: Verify full system functionality and, if applicable, implement preventive measures c: Establish a plan of action to solve the problem and identify potential effects d: Implement the solution or escalate as necessary
c: Establish a plan of action to solve the problem and identify potential effects
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: an attachment b: a plug-in c: a peripheral d: a flash drive
c: a peripheral
Which of the following stores data using microscopic light and dark spots? a: Flash drive b: hard drive c: compact disc d: RAM
c: compact disc
Abby wants a high-end computer system for her home office that can be upgraded. Which of the following should she choose? a: gaming console b: server c: desktop d: laptop
c: desktop
Which of the following careers consists of designing tiny microchips? a: PC technician b: system administrator c: electrical engineer d: computer programmer
c: electrical engineer
Which of the following uses persistent memory chips to store data? a: RAM b: compact disc c: Flash drive d: hard disk
c: flash drive
Which of the following should be done before working on hardware in a computer system? a: touch the plastic part of the case b: rub your feet on the carpet c: ground yourself using an ESD wrist strap d:ensure the system is plugged in
c: ground yourself using an ESD wrist strap
Which of the following would a PC repair technician work on? a: server b: smartphone screen c: laptop d: application code
c: laptop
Which of the following is often the hardest part of troubleshooting? a: asking the user questions b: implementing a solution c: reproducing the problem d: documenting findings
c: reproducing the problem
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? a: UPS b: USB c: SSID d: DVI
d: DVI
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? a: Test the theory to determine the cause b: Identify the problem c: Establish a plan of action to solve the problem d: Establish a theory of probable cause
d: Establish a theory of probable cause
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? a: SSD b: optical c: USB flash drive d: Hard disk
d: Hard disk
Which type of connector is commonly used for keyboards and mice? a: XLR b: RCA c: TRS d: USB
d: USB
Which connector on the back of a computer is used to attach a mouse to a modern PC system? a: Mini-DIN b: Low-density (two row), female DB-15 c: RJ-45 d: USB A e: USB B f: High-density (three row), female DB-15
d: USB A
Tina has accepted a position as a graphic designer. She wants a powerful device that she can connect multiple large screens too. Which device would be the BEST option for her? a: laptop b: server c: smartphone d: desktop computer
d: desktop computer
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? a: identify symptoms b: establish a theory of probable cause c: establish a plan of actions d: duplicate the problem, if possible
d: duplicate the problem, if possible
If a folder exists on an NTFS partition, which permission is needed by a user who needs to set security permissions on the folder? a: Write b: execute c: read d: full control
d: full control
Which of the following would be the MOST LIKELY cause for a computer to perform sluggishly? a: CPU b: RAM c: power supply d: hard drive
d: hard drive
Which of the following is not an advantage of SSDs over HDDs? a: durable b: small and light c: low power consumption d: inexpensive
d: inexpensive
Which of the following companies is a manufacturer of CPUs? a: apple b: nVidia c: DELL d: intel
d: intel
Which of the following divides a single physical disk into multiple logical drives called volumes? a: fragmentation b: defragmentation c: journaling d: partitioning
d: partitioning
