FIR | MCQs

Explanation

Creeper virus Initial release date: 1971

Creeper virus Developer: Ray Tomlinson

Creeper virus  was created in 1971by Bob Thomas

Creeper virus Operating system(s) affected: TENEX

Creeper was the first computer worm,

while

Reaper was the first antivirus software

Explanation

The "operating system" of a computer is like a first, supervisory program that begins running when the computer first starts up .

The operating system plays an invisible administrative and bookkeeping role behind the scenes.

Explanation

A firewall is a software or firmware that prevents unauthorized access to a network.

A firewall inspects incoming and outgoing traffic using a set of rules to identify and block threats.

Explanation

On October 29th 1969, the first message was sent from computer to computer on ARPANET.

It was 1971 when Ray Tomlinson invented and developed electronic mail, as we know it today, by creating ARPANET's networked email system.

Explanation

The storeowner Testimony didn't convince me that he knew nothing about what cause the fire. 

دکاندار

 گواہی نے مجھے اس بات پر قائل نہیں کیا کہ اسے آگ لگنے کی وجہ کے بارے میں کچھ نہیں معلوم تھا۔

Explanation

"Smother" means to extinguish flames by covering or suffocating them.

Abdul rolled the boy on the ground to cut off the air supply and smother the flames.

Explanation

Explanation

Explanation

• at the same time as in kitchen one might be in steady touch with fireplace all through cooking. So In case if fire catches your material it will melt and keep on with your body. otherwise in case you are wearing cotton garments it won’t trap fireplace effortlessly as nylon. So it's far always better to avoid carrying nylon clothes.
• it's miles safer to put on cotton while cooking inside the kitchen. in case your clothes come in contact with fireplace, cotton is much less in all likelihood to seize fireplace. artificial fabrics trap fire faster and can additionally soften and keep on with your frame.
• We ought to wear cotton clothes in kitchen due to the fact they do no longer trap fireplace without problems and absorb sweat however synthetic clothes capture fire without difficulty and do not absorb sweat.

Explanation

Answer:

B

Calvin Goddard, who worked on the slaughter, modernized the field of firearms testing. He worked with chemist Philip Gravelle to develop a special comparison microscope that can analyze two spheres at the same time.