computer science

You and your best friend have both created online career profiles. Within a week, your friend has had three calls for interviews and another 19 companies have viewed his profile. Your profile has had only two views. You ask your friend to review your profile and he finds a problem with it. Which of the following would be a problem for your online career profile?

A humorous profile name

Kiki inserted the formula =A1 in cell D1, and then copied the formula to cell D2. What is the formula in cell D2?

=A2

Simone just received a letter from her health care provider telling her she can create an account online that will give her access to all her health records. How would you describe what her provider is encouraging his patients to engage with?

A mobile health app (mHealth)

Rajesh is considering whether to use a web app to collaborate with a group of friends on a project. What is one reason he should avoid using a web app for the project?

One friend has an unreliable, slow Internet connection.

Why is it advisable to look beyond search engines like Google and Bing while conducting online research for assignments and projects?

Other search engines provide more reliable research

When you add information to a word-processing document, what role does your operating system play?

false

Which of the following is a web app?

google docs

How does discarding computers in a landfill affect the environment?

led and mercury in computer parts are seeping into the ground and water supply

Which of the following operating systems includes a virtual assistant?

macOS

Mateo is designing a technical diagram that many textbook publishers can use, and he wants to make sure he retains the rights to the diagram before selling it. At what stage does a copyright for his creative work come into effect?

As soon as the image exists in physical form

When Jack takes a class, he saves all his work for that class with the name of the course. What is most likely happening to his saved files?

Because he is using the same name, each time he saves he is overwriting his previous work.

Which of the following statements is true about the Clipboard?

Because he is using the same name, each time he saves he is overwriting his previous work.

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.

Which of the following types of RAM needs to be constantly recharged to retain the contents?

Dynamic RAM (DRAM)

In a complex formula, how does Excel determine which calculation to perform first?

It follows the order of operations.

What happens when you delete a folder?

It goes the Recycle Bin or Trash folder

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

How is a microprocessor different from an integrated circuit?

Microprocessors are faster, smaller and less expensive than integrated circuits

Joe wants to use an engaging image as a hook in his presentation, but he's afraid of violating any copyright laws. What should he do?

Search for an image on Creative Commons

How are delivery drivers able to meet the delivery timelines selected by customers when purchasing products?

They use a GPS to avoid traffic delays.

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?

Transfer contents to an external storage device

What is the most common type of storage device for transferring files from one computer to another?

USB flashdrive

Alicia often shows short, engaging videos to her fifth-grade science students. She has more success using RhythmOne instead of Google to find appropriate videos. Which of the following most likely explains why?

Unlike Google, RhythmOne uses speech recognition to match the audio part of the video with the search term.

Sammy created a new logo for his client to use on the company website and office stationery. However, the logo became a blur when it was enlarged to use on a billboard ad. Now Sammy needs to redo the logo. What should he do to avoid this problem in the future?

Use vector images because they retain their clarity even when enlarged or shrunk.

Which of the following is a necessary step in maintaining computer hardware?

Using a UPS or a surge processor

Which of the following is true about entering a function using the Insert Function dialog box? Select all the options that apply.

You can search for a function by what it does. Correct! You open the dialog box by clicking the Insert Function button in the formula bar. Correct! You can select a function by name or category.

Jodi is travelling to San Francisco for a conference. She has stored her PowerPoint slides on Microsoft's web app. What could be of concern to her while presenting her slides?

a poor internet connection

Lucy is planning to launch her podcast on career guidance for college students and has already recorded a few videos for marketing purposes. Which of the following apps can she use to mix and match the clips?

adobe premier clip

Simone frequently downloads mobile apps from the Amazon App Store. What operating system does she have on her smartphone?

android

Which company was the first to develop a computer meant for personal use?

apple

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

bottlenecking

You work for a company that is losing sales because it takes days to manufacture products. What technology can you suggest the company use to speed production?

computer-aided manufacturing

Remus is an art student who wants to start creating digital artwork on his computer. He wants to be able to create images that retain their quality in all sizes. Which type of app should he use?

drawing app

Patricia has started a new interior design business, and wants to store designs in the cloud so her clients can review them. Which of the following apps should she use for cloud storage?

drop box

Which term refers to the science that specifies the design and arrangement of items you use so you interact with the items efficiently and safely?

ergonomics

Big data is processed using relational databases

false

In Windows, the only way to copy or move files is to use the Clipboard.

false

To protect your information and help you to remember passwords, use your social media account login information to log into another site.

false

What does an operating system provide so you can interact with a device?

graphical user interface

Technology can lead to all of the following behavioral risks EXCEPT _____.

higher satisfaction with life

Folder names should _____.

identify the content and purpose of the folder

Manny copied a table from an MS Excel file, closed the file, and then pasted the table in an MS Word document. Where was the table stored after he copied it?

in RAM

Which of the following tools is helpful for entering a function if you do not remember the function name?

insert function dialog box

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate?

internal hardware problem

The local community college wants to increase its online offerings. To do so, the college will most likely need to purchase a(n) ______.

learning management system (LMS)

Your worksheet appears with blue lines indicating page breaks. What is the current view?

page break review

An operating system is also called a(n) _____

platform

Martha has been appointed as the Data Security Manager of her organization. The company wants her to develop a customized app to remove viruses from the infected systems without connecting to the network. What type of app should she focus on developing

portable app

Which type of memory is permanently installed on your computer and attached to the motherboard?

read-only memory (ROM)

When you want to add information to a document, what role does your operating system play?

saves your unsaved work to temporary storage

When a CPU executes instructions as it converts input into output, it does so with _____.

the control unit and the arithmetic logic unit

Bentley is the head of a software development team and needs to use a web app for project management. Which of the following web apps best suits his needs?

troll

A device driver is a program that controls a device attached to the computer.

true

Embedded computers usually are small and have limited hardware but enhance the capabilities of everyday devices.

true

Local applications can be accessed only on the computers on which they are installed.

true

New cars use embedded computers to make driving safer.

true

Which of the following is assigned to each webpage to identify its location on the Internet?

uniform resource locator (URL)

Which option lists the computer components in order from oldest to newest?

vacuum tubes, transistors, integrated circuits, microprocessors, personal computers

A(n) _____ is an electronic document that can contain text, graphics, sound, video, and links.

webpage