BCA Test Out 1-6
Keyboards, mice, speakers, microphones, and printers are collectively referred to as ____________.
Peripherals
Which of the following is a top cause of motherboard failure?
Physical damage
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?
Plug in an external monitor
Which of the following components converts AC to DC?
Power supply
A consumer wants to add a hard drive to their computer to store video from their camera. Which of the following would represent the storage capacity of a modern hard disk drive (HDD) purchased from a computer store?
3 Terabytes
How many bits are in a single byte?
8
Which of the following is something that an Information Technology (IT) professional would do?
Build and repair computers Manage grades and enrollments
Which of the following should an electrical engineer be proficient in using?
CAD software
Which hardware component processes data?
CPU
Which of the following computer components typically has the FASTEST performance?
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?
CPU failure
Observing rules of "netiquette" that promote courtesy and respect in online settings
Civility
Which operating system function has a steeper learning curve and can potentially break the system without careful use of its operations?
Command line interface (CLI)
Which of the following stores data using microscopic light and dark spots?
Compact disc
Protecting data and information we're not authorized to share
Confidentiality
The IT staff at a hospital shares genetic information about specific patients with a life insurance company. Which ethical standard was violated?
Confidentiality
Which of the following is the MOST important skill for a PC technician?
Customer service
Which of the following are optical storage devices? (Select three.) A. SSD B. USB flash drive C. SDHC D. BD E. CD F. HDD G. DVD
D. BD E. CD G. DVD
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
Given the numerical value 1010101.11, which of the following number systems is MOST likely represented?
Decimal
Abby wants a high-end computer system for her home office that can be upgraded. Which of the following should she choose?
Desktop
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?
Desktop computer
Which of the following devices would be easiest to repair?
Desktop computer
Which of the following devices would be the BEST option for a gamer?
Desktop computer
Recognizing and respecting the legal claims of others to online data, creative works, and other digital assets
Digital Property Rights
Mary needs someone to make sure her podcast is high quality and sounds polished. Which of the following professionals should she hire?
Digital audio producer
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
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?
Download and install the latest driver from the manufacturer's website.
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?
Duplicate the problem, if possible
Which of the following careers consists of designing tiny microchips?
Electrical engineer
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?
Establish a plan of action to solve the problem and identify potential effects
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 theory of probable cause
Which of the following uses persistent memory chips to store data?
Flash drive
If a folder exists on an NTFS partition, which permission is needed by a user who needs to set security permissions on the folder?
Full Control
The ability to use various design software such as Adobe Photoshop, InDesign, and Illustrator would be MOST beneficial to which career?
Graphic designer
Which of the following professionals would be MOST likely to create a poster?
Graphic designer
Which of the following should be done before working on hardware in a computer system?
Ground yourself using an ESD wrist strap
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
Which of the following has the ability to store user data even if the power to the computer is off?
Hard drive
Which of the following would be the MOST LIKELY cause for a computer to perform sluggishly?
Hard drive
Which of the following notational systems is MOST LIKELY used to represent a MAC address?
Hexadecimal
Which of the following makes videos appear smoother and more fluid?
Higher frame rate
Which of the following BEST describes personal responsibility?
How you act even if no one is watching
Respecting and honoring the inherent worth and right to privacy of other people
Human Dignity
Mike decides to humiliate a former friend by posting embarrassing photos on social media. Which ethical standard did he violate?
Human dignity
Which of the following BEST describes Information Technology (IT)?
IT refers to everything that involves computers.
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
Which of the following would be the MINIMUM qualification for a PC technician job?
Industry certification
Which of the following is not an advantage of SSDs over HDDs?
Inexpensive
Which of the following lists the basic computing and processing steps in order?
Input, processing, output, and storage
Which of the following companies is a manufacturer of CPUs?
Intel
Which of the following problems would be the MOST difficult to troubleshoot?
Intermittent problem
Which of the following BEST describes Computer Science (CS)?
It is the study of computers and computing concepts.
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?
Laptop
Which of the following would a PC repair technician work on?
Laptop
Which of the following devices make use of a battery as its main power source? (Select two.) A. Laptop B. Desktop C. Gaming console D. Smartphone E. Server
Laptop 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?
Make sure the USB device is plugged in properly.
Which of the following is data temporarily stored on?
Memory chips
Which invention made it possible to have an entire computer on a single circuit board?
Microchip
Which of the following is an example of computer hardware?
Microchip
Which of the following is NOT an example of an operating system?
Microsoft
Which of the following is primarily operated by a touchscreen?
Mobile device
Which of the following devices would MOST likely have a 4G connection?
Mobile phone
Where are values the computer is directly working with at a particular moment in time stored?
On the CPU register
Digital sound recordings capture sound waves and divide them into distinct segments. Each segment is assigned a value. What is that value called?
Sample height
Which of the following methods will NOT open a file from the desktop?
Single-click the icon
Which of the following devices generally include a variety of integrated hardware such as a camera? (Select two.) A. Desktop computer B. Gaming console C. Server D. Smartphone E. Laptop
Smartphone Laptop
Which of the following is something a computer scientist would do?
Solve problems in areas like robotics
Which of the following provides a computer system with the ability to retrieve and manipulate data at a future time?
Storage
Which of the following BEST describes what a kilobyte is a measurement of?
Storage space
Which of the following is something that an Information Systems (IS) professional would do?
Turn information into meaningful decisions
Which kind of connector is pictured here?
USB
Which type of connector is commonly used for keyboards and mice?
USB
Which connector on the back of a computer is used to attach a mouse to a modern PC system?
USB A
Which of the following encoding schemes would MOST likely be used to represent an emoji?
Unicode
Which type of digital picture can be scaled to any size without losing quality?
Vector
Jessica is currently editing a commercial she helped create. Which of the following is MOST LIKELY her profession?
Video production specialist
Which of the following careers typically requires at least a bachelor's degree in telecommunications?
Video production specialist
Which of the following was the most widely used personal computer application until the mid-90s?
Word processing
Which of the following transfer rates is the FASTEST?
1,480 Mbps
Which of the following is the correct binary representation of the number 2?
10
Which of the following voltages from an ESD discharge would be the minimum to short a computer's hardware components?
100 volts
How many possible values would an 8-bit audio sample have?
256
Which of the following BEST describes a code of ethics?
A set of rules or standards you adopt that dictate how you act
Which of the following is the best definition of a bit?
A single 1 or 0 in a digital signal
Which kind of file would be hurt most by a lossy compression algorithm?
A text document
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 surge protector is turned on. B. Make sure the power cord is plugged into the wall. C. Make sure the keyboard and mouse are plugged in. D. Use a multimeter to test the power supply. E. Open the computer and replace the power supply.
A. Make sure the surge protector is turned on. B. Make sure the power cord is plugged into the wall.
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 speakers are plugged into the correct jack and are powered on. B. Download and install the latest sound card drivers. Verify that no IRQ or I/O port address conflicts exist C. between the card and other devices in the system. D. Verify that the volume isn't muted. E. Replace the sound card with a known-good spare.
A. Verify that speakers are plugged into the correct jack and are powered on. D. Verify that the volume isn't muted.
Which CPU type would MOST LIKELY be found in a smartphone?
ARM
A user has entered a search string into an application and clicked on the search icon. Which of the following is the NEXT step in the computing process?
Processing
Which of the following components stores values in short-term memory?
RAM
Which of the following is NOT a long-term storage device?
RAM
A typical computer monitor is which type of display?
RGB
Which type of digital picture is made by storing individual pixel values?
Raster
Which of the following is often the hardest part of troubleshooting?
Reproducing the problem
Which of the following is a lossless compression algorithm?
Run-length encoding
What are pixels that are the exact same between multiple frames called?
Temporal redundancy
Which of the following is a disadvantage of notebook systems?
They are more expensive.
Which of the following is a type of input device?
Touchscreen
Which invention allowed computers to become smaller in size?
Transistors