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How many vacuum tubes did the Harvard Mark I computer have?
None. The Harvard Mark 1 ASCC (IBM Automatic Sequence Controlled Calculator) was an electromechanical computer built for Harvard by IBM's Endicott NY facility in 1944. It was constructed from 765,000 components which included switches, relays, motors, rotating shafts, and clutches. It contained no vacuum tubes.The Harvard Mark III ADEC (Aiken Dahlgren Electronic Calculator) was the first computer to use vacuum tubes. It was built at Harvard in 1949 using 5000 vacuum tubes and 1500 crystal diodes, along with electromechanical components. The Harvard Mark IV, built in 1952, was the first fully electronic design.
Who is the inventor of mark 1?
Grace Hopper invented the Mark 1 computer and she invented the other series of the mark computers also.Wrong! Grace Hopper had nothing to do with design of the Harvard Mark I as she wasn't even there. Her first contact with it was several months after it was fully operating, when she was hired as its 3rd programmer.Howard Aiken designed the Harvard Mark I and IBM built it for him using Navy funds.Hopper did suggest and help design some upgrades to the Harvard Mark I and was influential on other Harvard Mark machines, but she invented none of them.Hopper did invent many software development methodologies on machines ranging from the Harvard Mark I to the UNIVAC I, including several compilers culminating in FLOW-MATIC, which was the major input used in defining COBOL.Note that there were several computers identified as Marl 1, not just the Harvard machine. A few examples are:Ferranti Mark 1, in Manchester England the first British commercial computerManchester Mark 1, the prototype for the Ferranti Mark 1ETL Mark 1, in Japan
What are grace hopper's discoveries?
She was one of the first programmers of the Harvard Mark 1 and she developed the first compiler for a computer programming language. She developed COBOL the first independent programming language.
Why was the Mark 1 invented?
The Mark 1 or known as the Harvard Mark 1 was invented to help with the war efforts of World War II. Howard Aiken in 1937 presented the idea to IBM for development.
What did Howard Aiken do to help to progress of computers?
He designed several computers for Harvard University, starting with the electromechanical Automatic Sequence Controlled Calculator which was built by IBM but after an argument between Aiken and IBM he renamed it the Harvard Mark i and banished IBM from Harvard. The rest of his computers were built entirely by people from Harvard.
Who made the Harvard mark 1?
Howard Aiken
How many vacuum tubes did the Harvard Mark I computer have?
None. The Harvard Mark 1 ASCC (IBM Automatic Sequence Controlled Calculator) was an electromechanical computer built for Harvard by IBM's Endicott NY facility in 1944. It was constructed from 765,000 components which included switches, relays, motors, rotating shafts, and clutches. It contained no vacuum tubes.The Harvard Mark III ADEC (Aiken Dahlgren Electronic Calculator) was the first computer to use vacuum tubes. It was built at Harvard in 1949 using 5000 vacuum tubes and 1500 crystal diodes, along with electromechanical components. The Harvard Mark IV, built in 1952, was the first fully electronic design.
Who is the inventor of mark 1?
Grace Hopper invented the Mark 1 computer and she invented the other series of the mark computers also.Wrong! Grace Hopper had nothing to do with design of the Harvard Mark I as she wasn't even there. Her first contact with it was several months after it was fully operating, when she was hired as its 3rd programmer.Howard Aiken designed the Harvard Mark I and IBM built it for him using Navy funds.Hopper did suggest and help design some upgrades to the Harvard Mark I and was influential on other Harvard Mark machines, but she invented none of them.Hopper did invent many software development methodologies on machines ranging from the Harvard Mark I to the UNIVAC I, including several compilers culminating in FLOW-MATIC, which was the major input used in defining COBOL.Note that there were several computers identified as Marl 1, not just the Harvard machine. A few examples are:Ferranti Mark 1, in Manchester England the first British commercial computerManchester Mark 1, the prototype for the Ferranti Mark 1ETL Mark 1, in Japan
Who invented mark-1?
The IBM Automatic Sequence Controlled Calculator (ASCC), called the Mark I by Harvard University, was an electro-mechanical computer. The electromechanical ASCC was devised by Howard H. Aiken, built at IBM and shipped to Harvard in February 1944.
What is Harvard mark-1?
Howard Aiken and Grace Hopper
What is the Harvard Mark-1?
Howard Aiken and Grace Hopper
Howard Aiken completed this electromechanical computer?
He named it the Mark I. Later he made Mark II&III. (:
Was the eniac computer the first computer to be created?
No, the following digital computers preceded ENIAC: Harvard Mark I, ABC, Zuse Z1 & Z2 & Z3, Colossus Mark 1 & Mark 2. Also many analog computers preceded these.However ENIAC was the first general purpose programmable electronic digital computer.
What are grace hopper's discoveries?
She was one of the first programmers of the Harvard Mark 1 and she developed the first compiler for a computer programming language. She developed COBOL the first independent programming language.
Why was the Mark 1 invented?
The Mark 1 or known as the Harvard Mark 1 was invented to help with the war efforts of World War II. Howard Aiken in 1937 presented the idea to IBM for development.
What did Howard Aiken do to help to progress of computers?
He designed several computers for Harvard University, starting with the electromechanical Automatic Sequence Controlled Calculator which was built by IBM but after an argument between Aiken and IBM he renamed it the Harvard Mark i and banished IBM from Harvard. The rest of his computers were built entirely by people from Harvard.
What has the author Rob Krumm written?
Rob Krumm has written: 'Harvard Graphics' -- subject(s): Harvard graphics (Computer program), Harvard graphics (Computer file) 'Using a PS1' -- subject(s): IBM PS/1 (Computer system) 'Expert advisor' -- subject(s): DBase IV (Computer program), Data base management, Database management
