Suppose a Computerized National Identity Card (CNIC) issuing institute/authority of a country wants to open a new branch /center comprising of twenty data entry computers connected with a central database server placed in the same branch. The network engineer has been asked to ensure the less wastage of bandwidth and better utilization of the transmission media so that smooth operations could be carried out. After carefully reading and analyzing the given scenario, you are required to suggest the most suitable type of “Time Division Multiplexing” with two strong reasons.
Answers
Answer:
The Computerised National Identity Card (CNIC) is an identity card issued by Pakistan's National Database and Registration Authority (NADRA). The card is available to any citizen of Pakistan that is 18 years of age or older. The CNIC is a computerised version of the National Identity Card (NIC).
The card is mandatory for
Voting
Opening and operating bank accounts.
Obtaining a Pakistani passport.
Obtaining a Driving licence in Pakistan.
Purchasing vehicles and land.
Purchasing a plane or train ticket.
Obtaining a mobile phone SIM card.
Obtaining electricity, gas, and water.
Securing admission to college and other post-graduate institutes.
Conducting major financial transactions.
Thus, it can be seen as a de facto necessity for meaningful civic life in Pakistan.
Requirements
Answer:
Multi-core architectures pose many challenges in real-time systems, which arise from contention between concurrent accesses to shared memory. Among the available memory arbitration policies, time-division multiplexing (TDM) ensures a predictable behavior by bounding access latencies and guaranteeing bandwidth to tasks independently from the other tasks. To do so, TDM guarantees exclusive access to the shared memory in a fixed time window. TDM, however, provides a low resource utilization as it is non-work-conserving.
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