DIFFICULT ICT QUIZ BEE

Which layer of the OSI model is responsible for data compression and encryption?

• A. Transport

• B. Application

• C. Session

• D. Presentation

In which year was "@" sign first chosen for its use in email address?

• A. 1976

• B. 1980

• C. 1977

• D. 1972

How many bits are there in an IP version 6 address?

In the world of mobile devices, what does the acronym "iOS" stand for?

• Internet Operating System

• Interactive Online Service

• Internation Open Standards

• Apple's iOS

How do you write a single-line comment in JavaScript? A. /* */ B. // ✓ C. _ _! D. <comment_ _!>

• A. /* */

• B. //

• C. _ _!

• D. <comment_ _!>

John is working on his computer when he notices that his system has become very slow and unresponsive. He opens the Task Manager and sees that a single application is using almost all the CPU resources. What is the best way for John to improve his computer's performance in this situation?

• A) Restart the computer

• B) Delete the application from his computer

• C) End the high CPU-usage application from Task Manager

• D) Increase the screen brightness

What year was the World Wide Web introduced to the public?

• 1989

• 1991

• 1994

• 1990

It is an early search engine from the 1990s which is now regarded as the predecessor of the Google search engine. It was personally developed and operated by Google founder Larry Page and Sergey Brin.

• A. ALTA VISTA

• B. BACK RUB

• C. WEB CRAWLER

• D. DOGFILE

Who invented the first spreadsheet program, VisiCalc?

• 1. Dan Bricklin and Bob Frankston

• 1. Steve Jobs and Steve Wozniak

• 1. Bill Gates and Paul Allen

• 1. Larry Page and Sergey Brin

Which of the following is the main goal of a Denial of Service (DoS) attack?

• A) To steal sensitive information from a target

• B) To disrupt the normal functioning of a target system or network

• C) To install malware on a target system

• D) To gain unauthorized access to a target's files