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Quiz Current Affairs 2025-26 February 2025

the help of Denmark.

 

It has been branded as a UK designed mobile air defense system.

 

This may re-purpose air-to-air missiles as ground-based air defense.

 

The missiles have a range of about 12 miles and a speed of Mach 2.5.

 

Largest Vertical Propellant Mixer in the World.

 

ISRO has managed to build a 10-tonne vertical planetary mixer, the largest solid propellant mixer in the world.

 

The Indian space transportation systems heavily rely on solid propulsion.

 

A propellant mixer is a device that combines the components of rocket propellants i.e. fuel and oxidiser.

 

It will provide a stable and consistent solid rocket motor mixture.

Grok 3 AI

 

The new Grok 3 models have been published by Elon Musk xAI.

 

Grok-3 is over 10-fold faster than Gerkel.

 

The Colossus supercomputer of xAI is supposed to be used in Grok 3.

 

It is alleged that this is the Smartest AI on Earth.

DDoS attack on Kaveri 2.0

 

In January, the web-based portal Kaveri 2.0, which automates the property registrations in Karnataka, suffered intermittent crippling server failures.

 

This virtually paralyzed the state in terms of property registration and document related citizen services.

 

It is an incentivized DDoS attack.

 

DDoS attack is a malicious effort to interfere with the regular operations of a targeted server, service or network by saturating it with a huge amount of internet traffic.

 

As opposed to a Denial of Service (DoS) attack, which usually involves only one source, a DDoS attack exploits many compromised systems, usually with malware running on them, to create the traffic.

 

A set of such compromised systems is called a botnet.

Microsoft - Majorana 1

 

Microsoft has announced the arrival of a new quantum chip, Majorana 1, that generates scalable and reliable qubits in large numbers compared to its predecessors.

 

Quantum computers are built out of qubits.

 

The eight-qubit chip is the Majorana 1, a modest size compared to quantum chips that have been developed by competitors, including Google Willow (106-qubit chip) and IBM R2 Heron (156-qubit chip).

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