Today's Technology - Lesson 2 - Grade8

What does screen resolution refer to in mobile devices?

• a) The size of the device

• b) The number of pixels on the display

• c) The battery life

• d) The weight of the device

Which resolution is commonly found in Full HD displays?

• a) 1280x720

• b) 1920x1080

• c) 2560x1440

• d) 3840x2160

What is the typical resolution range for E-book readers?

• a) 1280x800 to 1920x1080

• b) 800x600 to 1440x1080

• c) 2560x1440 to 3840x2160

• d) 3840x2160 to 7680x4320

In digital cameras, what does the term 'megapixels' refer to?

• a) The number of colors the camera can capture

• b) The size of the camera sensor

• c) The number of pixels in an image

• d) The zoom capability

What is a typical screen resolution for high-end smartphones?

• a) 800x600

• b) 1280x720

• c) 1920x1080

• d) 3840x2160

Which wearable device typically includes a high-resolution display for health monitoring?

• a) E-book reader

• b) Fitness tracker

• c) Portable media player

• d) Digital camera

What does a Denial of Service (DoS) attack aim to achieve?

• a) Access sensitive information

• b) Disrupt normal functioning of a service

• c) Install malicious software

• d) Steal user credentials

What is one common method used to prevent hacking?

• a) Updating antivirus software

• b) Ignoring phishing emails

• c) Avoiding software updates

• d) Disabling firewalls

Which of the following is NOT a type of digital security risk?

• a) Denial of Service (DoS) Attack

• b) Hacking

• c) Malware

• d) Unauthorized data access

What security measure helps to protect against viruses and malware?

• a) Phishing notifications

• b) Antivirus software

• c) Split login screens

• d) Email filtering