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The next important effort in the direction of devising an electromechanical computer was made at Harvard University mutually sponsored by IBM and Department of UN Navy, Howard Aiken of Harvard University created a system known as Mark I in 1944. Mark I was a decimal machine means that computations were performed employing decimal digits.
Some of you should have heard a term known as 'bug'. It is mostly used to denote errors in computer programs. This term was invented when one day a program in Mark-I didn't run accurately because of a moth short-circuiting the computer. Since then moth or bug has been linked with problems or errors in computer programming. So process of eliminating error in a program is termed as 'debugging'.
The common shortcomings of these electromechanical and mechanical computers were:
Change was to have a storing and switching mechanism with no moving parts. The electronic switching device 'triode' vacuum tubes were used so first electronic computer was born.
Explain the fork-join? fork-join: It is primitives in a programming language of higher level for implementing interacting processes. The syntax is as given below: fork
Remote Login A login that permits a user terminal to connect to a host computer by a network or direct telecommunications link, and to interact with that host computer as if t
Testing Your Program All programs must be thoroughly tested before they are released to users. Create some sample input files of a small size and manually figure out what the o
Processes of Information System The basic purpose of the Information System is to convert and manage data into something that is meaningful. Bocij et al (2003) lists the basic
How do you populate data into a multiple line field? To populate data into a multiple line field, an index is added to the field name to show which line is to be populated by t
Define deadlock? Deadlock is a condition, wherein processes never finish executing and system resources are tied up, preventing another job from beginning. A process requests r
Define the term- Analysis The analysis involves some or all of the following stages: Fact finding - this is usually done in four ways. Understanding the current syst
What is "the principle of locality"? It's the nature of the processes that they refer only to the small subset of the total data space of the process. I.e. the process frequ
Charles Babbage 'The grandfather of modern computer' had designed two computers: The Difference Engine: It was based on mathematical principle of finite differences and was us
Convert 2222 in Hexadecimal number ? Ans. = 8AE
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