The EINAC at the university of pennsylvania, completed in 1946. It weighed more than 50 tons.
Answer:
Following are the solution to the given points:
Explanation:
The Memory address value = 64 bit
The Size of the word 
In point a:
The offset size
( in 1-word block size)
The Index size
(as block number =512)
Tag size
In point b:
The offset size
The Index size 
Tag size 
In point c:
The Ratio at point a

The Ratio at point b

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Answer:
The correct answer for the given question is option(B) i.e Trustworthy computing.
Explanation:
Trustworthy computing delivers the reliable ,secure and private computing The main objective of Trustworthy computing is to provide the business integrity, security, reliability on sound business practices
Cloud computing storing and accessing the data from internet rather then hard drive so this option(a) is wrong.
Mobile computing accessing the data and information with the help of mobile device .It transfer the data over network with the help of mobile device ,so this option(c) is wrong.
Cluster computing is a collection of several computer to connect each other to form single entity so this option(d) is wrong.
Answer:
c) PaaS
Explanation:
Refined and restrictive service model allows the user to use full package of application stack as demand by the service. It should be noted that "PaaS" is the most refined and restrictive service model.
Platform as a Service known as (PaaS ) is computing platform that gives room for the user in the cloud to manage applications.
PaaS helps to overcome the problem in managing the complexity of software licence. Example of PaaS are window Azure,Apache Stratos.