intro to computer
If you press the key corresponding to the letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?
'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.
Which of the following top-level domains is generally used by Internet service providers? .biz .int .com .net
.net
How can an attacker execute malware through a script?
A script can run a series of instructions to download and run malware.
Anusha wants to use her computer, rather than handwriting the information on her notepad, to analyze her monthly expenses to make the job easier. Which of the following apps should she use? A personal interest app to keep a track of all the expenses based on her personal interests A spreadsheet app to keep a record of her expenses, sort data, and make calculations A word processor app to keep a record of her expenses and make calculations A device management app to track all the expenses she makes using her credit and debit cards
A spreadsheet app to keep a record of her expenses, sort data, and make calculations
How is a worm different from a Trojan?
A worm spreads through a network, whereas a Trojan hides inside another program.
What technology can collect information to make decisions, reach conclusions, and combine information in new ways?
Artificial Intelligence (AI)
The news reports a security breach of credit card information at a large department store that has recently laid off many employees. Why should the store investigate the possibility of the breach being from an insider?
Because insiders sometimes create threats after incidents at the places of employment
Which of these is an optical medium of storage? Hard disk drive Blu-ray disc Solid state drive Cloud storage
Blu-ray disc
In a web app, where is data usually stored?
Cloud storage
When Florence joins her father's construction business, she realizes all the transactions are still done and maintained on paper. What should she do to establish a system where any data can be looked up immediately and transparency can be maintained?
Create a database of company projects, customers and vendors.
How can you protect personal information gathered by legitimate organizations?
Create a separate email account for receiving information from websites
Creating a(n) _____ means copying files from a computer's hard drive and storing them in a remote location.
Data backup
Which of the following is NOT a factor search engines consider when ranking search results? Design quality of the webpage How long the webpage has been published How often the search term appears on the webpage Number of the webpages that link to the page
Design quality of the webpage
True or False: A Trojan is a malicious program that uses a computer network to replicate.
False
True or False: A joystick is a pen-type input device used to draw and tap icons.
False
True or False: An e-commerce website offers fewer models, colors, and sizes than a physical store.
False
True or False: Big data is processed using relational databases.
False
True or False: If you want to become a digital citizen, you only have to buy a piece of technology.
False
True or False: To prevent a laptop from being stolen, you can use a surge protector.
False
True or False: To protect your information and help you to remember passwords, use your social media account login information to log into another site.
False
True or False: When Liam went to print his presentation, the boot process established the connection to the printer, sent the presentation to the printer, and let other software know the printer was busy.
False
True or False: When accessed, an e-commerce website that sells carpentry tools displays a lock icon somewhere in the window of the browser. The address bar in the Chrome browser would identify this website as "insecure."
False
True or False: You can avoid electronic waste by replacing devices every time a new version comes out.
False
In Windows, you use _____ to reorder, move, and navigate between folders.
File Explorer
Which of the following is a web app? Google docs, Microsoft Edge, Yahoo!, Flipboard
Google docs
Technology can lead to all of the following behavioral risks EXCEPT _____. Social withdraw Higher satisfaction with life A Sedentary lifestyle Depression and anxiety
Higher satisfaction with life
How will you decide which browser security settings to allow and which ones to block?
I will need to review each browser security setting and use my best judgement.
If you copy a drawing from the Internet and use it in a report, you might be violating the artist's _____.
Intellectual property rights
During the boot process, what does the processor do after the computer circuits receive power?
It begins to run the bootstrap program.
How would you describe an intelligent workplace?
It uses technology to enable workers to connect and communicate
Aaron has started a food blog on which he wants to post his recipes. He wants to place a high-quality image next to each cooking step. Which file format should he use so that users do not experience a lag when loading the high-quality images on the website? DOC TIFF JPEG GIF
JPEG
Andrew's company uses a special email program for communicating within the organization. What should the company do to ensure that its employees are able to access the inbox even when they are away from office?
Make the program available as a web app.
What are "hits" that search engines list on the first page?
Most relevant results
What should you do the first time you save a file?
Name the file.
How can you display the main folders on a Windows computer?
Open File Manager.
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
Plotter
Daniel wants to buy a computer to use for playing games after work. He loves racing games and wants to make sure his device has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider? Form factor- Some games do not run on laptops External hard disk capacity- Provides additional temporary storage needed to run heavy applications Processor core- Some applications, especially games, have greater processor requirements Size- Larger desktops provide more physical space for memory storage, increasing efficiency.
Processor core- Some applications, especially games, have greater processor requirements
What is the science that combines technology with engineering?
Robotics
What technology assists users that have a visual disability?
Screen Readers
A smart refrigerator can use ____ to detect when you are running low on milk, and then send a reminder to you on a wireless network
Sensors
Gertie wants to buy a smartwatch by making an electronic payment. She is not willing to divulge her financial information, and her only bank account is not linked to any online payment service. Which of the following most aligns to what Gertie feels comfortable doing? She should make a wire transfer She should use a virtual account number to make the payment She should use her credit card to make the payment She should pay using Venmo
She should use a virtual account number to make the payment
Akira has a mobility impairment that makes it difficult to type on a keyboard. What technology can she use to create written documents without using a keyboard?
Speech recognition software
Search engines use software that combs the web to find webpages and add new data about them to the database. What is this software called?
Spiders
A _____ is a named collection of formats you apply to text in a word processing document.
Style
Why do companies use online collaborative productivity software?
To allow employees to share, edit, and comment on documents
True or False: A CPU converts the data entered through the keyboard into output displayed on the monitor.
True
True or False: A device driver is a program that controls a device attached to the computer.
True
True or False: A digital citizen is familiar with how to use technology to become an educated and productive member of the digital world
True
True or False: An intelligent workplace uses technology to allow workers to be productive whether they are in the office or working from home.
True
True or False: An intelligent workplace uses technology to enable workers to connect to the company's network, communicate with each other, use productivity software and apps, and meet via web conferencing.
True
True or False: E-commerce sites use Transport Layer Security (TLS) to encrypt data and protect you from fraud and identity theft.
True
True or False: Embedded computers usually are small and have limited hardware but enhance the capabilities of everyday devices
True
True or False: If you add a slideshow to play as your desktop theme, you have customized your system software.
True
True or False: Information literacy means you can evaluate whether online information is misleading, biased, or out of date.
True
True or False: It is advised to fully charge the battery of a laptop before using it for the first time.
True
True or False: Local applications can be accessed only on the computers on which they are installed.
True
True or False: New cars use embedded computers to make driving safer.
True
True or False: Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.
True
True or False: Steffi needs to find the domain name of the webpage she is currently viewing. To do this, she needs to look at the address bar of the browser.
True
What is the first step to performing hardware maintenance?
Turn off the computer and remove its power source
What is the most common type of storage device for transferring files from one computer to another?
USB flash drive
Which of the following is assigned to each webpage to identify its location on the Internet? Transport Layer Security (TLS) Uniform Resource Locator (URL) Universal address Hyperlinks
Uniform Resource Locator (URL)
What should you do if a headset plugged into your computer is not working properly?
Update the device driver
Which of the following is a necessary step in maintaining computer hardware? Using a UPS or a surge processor Cleaning air vents Connecting peripheral devices to computer Rebooting the computer often
Using a UPS or a surge processor
lists the computer components in order from oldest to newest
Vacuum tubes, transistors, integrated circuits, microprocessors, personal computers
When Alice turned on her laptop this morning, the screen displayed only colorful horizontal lines. Which of the following is most likely to have a problem? Hard drive Video card External storage devices Built-in camera
Video card
An organization has its employees working from home. Which type of software most likely includes collaboration features to help the employees work together online? Device management apps Web apps Portable apps Local apps
Web apps
When should a user consider restoring the operating system?
When programs or apps do not start properly
Rafael has to type a report about a class trip to the museum. Which of the following apps should he use to write the report? Spreadsheet Messaging Presentation Word processor
Word processor
Amelie lists her dishwasher for sale on eBay. Ryan, who lives in another city, bids for the best price and uses his credit card to pay for the dishwasher. Is this transaction an example of e-commerce? No; credit cards are not an accepted mode of payment in e-commerce transactions. Yes; it is a business transaction on a consumer-to-consumer website. Yes; e-commerce always refers to a sale between consumers in different cities. No; e-commerce does not include the sale of used products.
Yes; it is a business transaction on a consumer-to-consumer website.
On a desktop, the _____ is the window you are currently using, and it appears in front of any other open windows.
active window
A(n) _____ is a small picture that represents a program, file, or hardware device.
icon
Folder names should _____.
identify the content and purpose of the folder
When you save a Microsoft Office file to OneDrive, where are you saving it?
in a storage area located on a server
An operating system is also called a(n) _____.
platform
What type of window are you opening when you click the Start button on the Windows desktop, and then click the name of an app?
program window
What is the main purpose of an operating system?
to coordinate the resources and activities on a computer
Abe is creating a presentation and wants to grab the audience's attention with a visual effect when he moves from one slide to another. What should he add to the presentation?
transitions
A(n) _____ protects your device against unauthorized access.
user account
Compressing a file is also called _____ the file.
zipping
