Who is the smartest programmer in the world?

He often referred to himself as “the smartest programmer that’s ever lived”….

Terry A. Davis
Employer	Ticketmaster (1990–1996)
Known for	TempleOS
Website	templeos.org

How many OS are there?

There are five main types of operating systems. These five OS types are likely what run your phone, computer, or other mobile devices like a tablet.

Which OS is mostly used in world?

Microsoft Windows

What are the 3 major operating systems?

The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Modern operating systems use a graphical user interface, or GUI (pronounced gooey).

What operating systems do?

An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Which operating system is best and why?

10 Best Operating Systems for Laptops and Computers [2021 LIST]

Comparison Of The Top Operating Systems.
#1) MS-Windows.
#2) Ubuntu.
#3) Mac OS.
#4) Fedora.
#5) Solaris.
#6) Free BSD.
#7) Chrome OS.

What are three responsibilities of an operating system?

An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

What does an operating system do answers?

An operating system is a program that manages the computer hardware. it act as an intermediate between a users of a computer and the computer hardware. It controls and coordinates the use of the hardware among the various application programs for the various users.

What is an operating system short note?

An operating system, or “OS,” is software that communicates with the hardware and allows other programs to run. It is comprised of system software, or the fundamental files your computer needs to boot up and function. Common desktop operating systems include Windows, OS X, and Linux. …

What is an operating system very short answer?

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

What is an operating system question?

The operating system is a software program that facilitates computer hardware to communicate and operate with the computer software. It is the most important part of a computer system without it computer is just like a box.

What is operating system interview questions?

Basic OS Interview Questions

Why is the operating system important?
What’s the main purpose of an OS?
What are the benefits of a multiprocessor system?
What is RAID structure in OS?
What is GUI?
What is a Pipe and when it is used?
What are the different kinds of operations that are possible on semaphore?

What kernel means?

operating system

What is starvation OS?

Starvation is the problem that occurs when low priority processes get jammed for an unspecified time as the high priority processes keep executing. A steady stream of higher-priority methods will stop a low-priority process from ever obtaining the processor. Created with Fabric.js 3.6.3.

How starvation is avoided in OS?

A possible solution to starvation is to use a scheduling algorithm with priority queue that also uses the aging technique. Aging is a technique of gradually increasing the priority of processes that wait in the system for a long time.

Can a system detect starvation?

7.12 Can a system detect that some of its processes are starving? Answer: Detection of starvation requires future knowledge since no amount of record-keeping statistics on processes can determine if it is making ‘progress’ or not. However, starvation can be prevented by ‘aging’ a process.

Does FCFS cause starvation?

In fcfs everyone gets chance to execute based on there arrival. so no starvation in FCFS.

What are the advantages and disadvantages of FCFS?

1. First Come First Serve (FCFS):

Advantages – It is simple and easy to understand.
Disadvantages – The process with less execution time suffer i.e. waiting time is often quite long. Favors CPU Bound process then I/O bound process.

Which scheduling is best in OS?

The calculation of three algorithms shows the different average waiting time. The FCFS is better for a small burst time. The SJF is better if the process comes to processor simultaneously. The last algorithm, Round Robin, is better to adjust the average waiting time desired.

What is the difference between FCFS and SJF?

Shortest Job First (SJF) Scheduling Algorithm is based upon the burst time of the process….Note –

First Come First Served (FCFS)	Shortest Job First (SJF)
FCFS is non preemptive in nature.	SJF is also non-preemptive but its preemptive version is also there called Shortest Remaining Time First (SRTF) algorithm.

Who lives in the Holy See?

All citizens of Vatican City are Roman Catholic. The only people allowed to live in the Vatican City are clergy (religious people) and the Swiss Guards who are the Police force of the country. Over 2,400 other people work in the country but they travel in each day from Italy.

Why does the Pope wear red slippers?

The indoor Papal Slippers were made of red velvet or silk and were heavily decorated in gold braid, with a gold cross in the middle. Throughout Church history, the color red has been deliberately chosen to represent the blood of Catholic martyrs spilt through the centuries following in the footsteps of Christ.

What popes were married?

There have been at least four Popes who were legally married before taking Holy Orders: St Hormisdas (514–523), Adrian II (867–872), John XVII (1003) and Clement IV (1265–68) – though Hormisdas was already a widower by the time of his election.

Are females allowed in Vatican City?

Vatican City is an absolute monarchy, headed by the Pope. It holds no elections, so neither male nor female citizens have the right to vote. However, the Pope is elected – by the College of Cardinals of the Catholic Church, which women cannot join.

In which country no one is born?

Vatican City

Do we need passport for Vatican City?

9) Do you need a passport to go to the Vatican? No, you do not need to bring your passport with you. Even if you are entering another state and Vatican City has its own passports, postal service and stamps, bank and euro, telephone system, radio station, pharmacy and national football team too!

Can you wear jeans in the Vatican?

Here is what you should and should not wear when visiting the Vatican: Avoid any top that is sleeveless: a blouse, a short-sleeved shirt or T-shirt will do just fine; Cropped tops showing off your belly are definitely a bad outfit choice; Wear trousers, jeans, dresses or skirts that are knee-length.

Can I become a citizen of Vatican City?

The Size & Population of Vatican City This ranks it 235th in the world. Unlike other countries, citizenship is not based on birth but granted only to those who reside in the Vatican because of their work or office. And technically, no-one can be born in the Vatican as there are no hospitals!

Is the Vatican free to enter?

There is no fee to enter Vatican City. You may walk around St. Peter’s Square and enter St. Peter’s Basilica for free, but have to pay to visit the Vatican Museum and Sistine Chapel.

Is there a dress code for Vatican City?

The Dress Code in the Vatican City Its basic code is for both men and women both need to cover their knees and upper arms. They prohibit wearing shorts or skirts above the knee, sleeveless tops, and low-cut shirts. Pants are your best bet, but long shorts or skirts below the knee are also allowed.

How many citizen exist in the Vatican?

450

Does Vatican City stamp passports?

The Vatican does not stamp your passport. You can purchase Vatican postage stamps or buy a postcard, put a Vatican stamp on it have it mailed directly from the Vatican.

What does the Pope sit in front of?

The Chair of Saint Peter (Latin: Cathedra Petri), also known as the Throne of Saint Peter, is a relic conserved in St. Peter’s Basilica in Vatican City, the sovereign enclave of the Pope inside Rome, Italy.

How do they check the pope is male?

A cardinal would have the task of putting his hand up the hole to check whether the pope had testicles, or doing a visual examination. This procedure is not taken seriously by most historians, and there is no documented instance.

What is written under the pope’s chair?

Vicarius Filii Dei (Latin: Vicar or Representative of the Son of God) is a phrase first used in the forged medieval Donation of Constantine to refer to Saint Peter, a leader of the Early Christian Church and regarded as the first Pope by the Catholic Church.