a) Needs of the executive which an EIS is able to address
- EIS provide a generalized computing and communication environment to senior
managers to support strategic decisions. :
- Evaluation of the date of ret. m of a project and measuring it against the company’s cost
of capital.
- They draw data from the management information system and allow communication
with external sources of information.
- EIS are designed to facilitate senior managers access to information quickly and
effectively. ESS has menu-driven user-friendly interfaces, interactive graphics to help
visualization of the situation and communication capabilities that link the senior
executives to the external databases he requires.
- Top executives need ESS because they are busy-and want information quickly and in
an easy to read form.
- There is and want their computer set-up to directly communicate with others.
- Provide summarized data from organization system since they want structured forms
for viewing and want summaries rather than details.
- Direct access to information from high level of information to low levels of information
- they have the facilities which allow the executives to drill down their information.
b) Structural elements of a computer system
Memory data register
All data and instructions pass in and out of the processor through the memory data register.
Memory buffer register
Before the fetch execute cycle between the memory and the other device the source and the
destination address being accessed in the memory must be specified by loading these address
form the sequence control register to the memory address register.
Sequence control register
It keeps track of memory address of the next instruction to be performed and this address is
transferred to the memory address register.
Kavungya answered the question on May 14, 2019 at 07:45
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