0
veins
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How many valves were used on each of the 10 colossus machine?
The Colossus was built using thermionic valves, thyratrons, relays and stepping switches.The Colossus Mark 1 used about 1600 valves and the Colossus Mark 2 used about 2400 valves. After the Colossus Mark 2 was in production and use the single Colossus Mark 1 was briefly shutdown and upgraded to a Colossus Mark 2. Five of the ten Colossus machines also had a device called the "gadget" that aided in a process called "rectangling", the number of additional valves added to each of these enhanced Colossus Mark 2 machines is unknown.
Why did the Colossus computer need valves?
the first electronic computers were built before the invention of the transistor or integrated circuit chip. They used vacuum tubes for the processing and temporary memory. In Britain those tubes were called valves.
How much valves are in a modern day computer?
There are no valves in a modern computer. If by valves you mean vacuum tubes, the equivalent is a transistor. Modern CPUs have many transistors/gates on their dies. The SandyBridge i7, a near-top end general purpose computer COU can have 2.2 billon transistor elements on the CPU die. Of course there are many more transistors incorporated in the logic chips, controllers and video cards in a computer as well.
How burner management systems works?
Actually burner management system is s a system for the safe start-up, monitoring, and shutdown of burner of furnace heaters, boilers etc... It consist of Fuel supply pressure censer, Air supply pressure censer, Fuel control valves, Flame scanner, Exhaust gas analyzer, Load detector, LEL and HEL meters, Burner start up igniter , Emergency shutdown switches, Thermal fusible valves (some times), Trip points and inter locks, SOP(Safe operating procedures), SMP (safe maintenance procedures), Purging systems etc.... Integrated operation of all these electrical, mechanical, instrumentation, safety systems will leads to the safety of the heaters, furnaces, boilers ect...through this system we can ensure the safety of the entire plant.
What were the two main problems caused by using the valves in colossus computer?
Reliability and heat were the main problems. Valves were fragile devices that, due to the relatively primitive way they were manufactured, failed pretty quickly. In addition to that, they gave off vast amounts of heat. This meant they needed expensive air-conditioning systems to keep their temperature down.
Where in the circulatory system are valves?
Valves are found in the heart and in some veins.
What are the functions of the valves in the circulatory system?
Valves in the circulatory system prevent blood from flowing into the wrong compartments. Valves also regulate the amount of blood that can be held in one compartment of the heart over a certain period.
What is the function of valves int the heart and the veins?
The valves stop the blood flowing backwards through the circulatory system.
How do valves function in a circulatory system?
To maintain the flow of blood in one direction
Purposes of the oneway valves?
To allow gasses or liquids to flow only in one direction.
What two parts of the circulatory system use one way valves?
tom dunsdon
Why are valves more important in the circulatory system?
So blood doesn't flow backwards.
What two parts of the circulatory system use one-way valves?
the heart and the veins
Why are each section of the heart separated by valves?
The valves keep blood flowing in one direction. And there are even valves in the veins. The system is called a circulatory system and the system must keep going in a circle to function properly.
How are the circulatory system conneccted?
Circulatory system are connected by a network of arteries, veins and capillaries. They connect the body with heart. Inside the heart, various valves connect different chambers.
What would happen in the circulatory system and in the whole body if the heart valves failed?
if the valves failed then the blood would go in the wrong direction.
Why are valves important to the circulatory system?
welll I guess so blood doesn't flow backwards.
