Explanation

Light varies continuously in intensity and wavelength, making it an analog signal.

Analog signals have values that change smoothly over time — just like natural light.

Explanation

An Assembler converts programs written in assembly language into machine language.

It translates mnemonic codes into binary instructions the CPU can execute.

Explanation

Dark Age of Computers:

Examples: Abacus, Napier’s Bones, Slide Rule, Pascaline, Leibniz Calculator, Difference & Analytical Engine (Charles Babbage)

Middle Age of Computers:

Example: Tabulating Machine (by Herman Hollerith)

Modern Age of Computers:

Examples: First, Second, Third, Fourth, and Fifth Generations of Computers

Explanation

Chrome is a web browser, not antivirus software.

Norton, McAfee, and Avast are all well-known antivirus programs used to detect and remove malware.

Explanation

In 2017, the WannaCry ransomware attack crippled the UK's National Health Service (NHS).

It encrypted data and demanded ransom payments, causing widespread disruption in healthcare services.