Web Browsers Overview

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What does resolution measure?

Aspect ratio

Size of the screen

Number of pixels vertical X horizontal (correct)

Colour depth

What is the advantage of a high-quality resolution?

Larger picture size

Slow response time

Lower contrast ratio

Clear and sharp images (correct)

What does the contrast ratio represent?

Number of pixels on the screen

Refresh rate of the display

Ratio of the darkest vs brightest colours (correct)

Number of bits per pixel

What is the purpose of a 3D printer?

To create 3D solid objects by adding layers of material Signup and view all the answers

What does a scanner convert hard copies into?

Soft copies as images Signup and view all the answers

What is the main difference between inkjet and laser printers?

Cost per page Signup and view all the answers

Which web browser is known for having a minimalist interface?

Opera Signup and view all the answers

Which browser is mentioned as being the best for Mac users?

Safari Signup and view all the answers

Which browser has the feature 'Incognito mode' for private browsing?

Google Chrome Signup and view all the answers

What is a disadvantage of using Google Chrome with multiple tabs open?

Slower browser due to increased memory usage Signup and view all the answers

Which browser is mentioned to have compatibility bugs and limited capabilities?

Microsoft Edge Signup and view all the answers

What is a limitation of using Mozilla Firefox according to the text?

Lacks performance on weaker hardware Signup and view all the answers

What is a disadvantage of OCR software mentioned in the text?

It is not useful for converting handwritten documents. Signup and view all the answers

How do web applications differ from desktop applications?

Web applications require installation on the hard drive. Signup and view all the answers

What is a key advantage of web applications over desktop applications mentioned in the text?

They reduce software piracy. Signup and view all the answers

What type of document can't be immediately edited using a word processor after scanning?

Handwritten document Signup and view all the answers

Which type of applications must be accessed through a web browser?

Web applications Signup and view all the answers

What is a characteristic of web applications mentioned in the text?

*Users access different versions of the same web app. Signup and view all the answers

What type of storage device is a hard disk drive (HDD)?

Non-volatile storage device Signup and view all the answers

How do external hard drives connect to computers?

USB or FireWire connection Signup and view all the answers

What distinguishes flash drives from traditional hard drives?

Flash drives have no moving parts Signup and view all the answers

Which storage format offers more storage capacity than traditional DVDs?

Blu-ray Disc (BD) Signup and view all the answers

What are memory cards commonly used for?

Storing digital information in cameras and phones Signup and view all the answers

Which device is often used for backing up computers or saving large files?

External hard drive Signup and view all the answers

What is computer security aimed at protecting?

User data from unauthorized access Signup and view all the answers

How can access to a computer system or user data be controlled?

What you know, what you possess, who you are, or a combination of these Signup and view all the answers

Which of the following is a security feature provided by the operating system?

Authorization requests for username and password Signup and view all the answers

What is the purpose of an audit trail in computer security?

To keep track of system events and changes made Signup and view all the answers

How can a hardware device communicate better with the operating system?

Reinstall drivers Signup and view all the answers

Which security feature typically warns users about expired antivirus software?

Security alerts from the security center Signup and view all the answers