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.

Explanation

Stealing a book is a physical theft, not done through digital means — so it’s not a cybercrime.

Cybercrimes include actions like stealing passwords, hacking, and online fraud, all involving computers or the internet.

Explanation

FM, AM radios, televisions, and cordless phones commonly use radio waves for wireless communication and signal transmission.

Radio waves can travel long distances and are ideal for broadcasting audio and video signals.

Explanation

A Pie Chart is ideal for showing the proportional contribution of each income source to the total income.

It visually displays how a whole is divided into parts, making comparisons easy.

Explanation

MS Word is primarily used for creating, editing, and formatting text documents—making it a word processing software.

It remains the most widely used tool for writing letters, reports, and documents globally.

Explanation

A Speaker is an audio output device and cannot produce hard copies (physical prints).

Devices like printers, impact printers, and plotters are used to generate hard copy outputs.

Explanation

Encryption is a key part of Information Security, ensuring that financial data is securely transferred and protected from unauthorized access.

It converts data into a coded form, readable only by the intended recipient with the correct decryption key.

Explanation

Fifth Generation computers focus on Artificial Intelligence (AI), robotics, and advanced computing.

Humanoid robots, which can mimic human actions and thinking, are a product of this generation.

Explanation

The use of Integrated Circuits (ICs) in the third generation made computers smaller, faster, and cheaper to produce.

This innovation significantly reduced manufacturing costs, making computers more affordable.

The third generation of computers (1964–1971) used Integrated Circuits (ICs) instead of transistors or vacuum tubes.

ICs greatly reduced the size, increased speed, and improved efficiency of computers.

Explanation

DEC VAX and IBM AS/400 are classic examples of minicomputers.

It is used widely in businesses and research during the 1970s–1990s.

They are mid-sized computers, more powerful than microcomputers but smaller than mainframes.