الكويت البحرين عمان الأردن لبنان مصر البحرين حائل الرياض الدمام جدة المدينة المنورة الاحساء
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Question 1
This question carries 20% of the marks for this assignment
Using the AOU e-library and/or any internet reliable resource (you are encouraged to use Google Scholar for scientific research), select a recent scientific publication that presents an Asymmetric Key systems algorithm/technique. You should refer to your course tutor to validate your selection. The selected paper after reading the paper, you are asked to answer the following questions.
1. List the following information about the paper (6 marks)
a. Paper title
b. Paper Author(s)
c. Type of publication (conference, journal, master thesis, PhD thesis, technical report, etc.)
d. Information on the publication type (conference name/place , journal name, etc.)
e. Publication date
2. Based on your thorough reading of the selected recent scientific publication, you are asked to answer the following questions using your own words:
a. Explain the encryption process of the selected Asymmetric Key systems algorithm/technique? (7 Marks)
b. Explain the decryption process of the selected Asymmetric Key systems algorithm/technique? (7 Marks)
Mark deduction: The following mark deduction will be applied:
- Two mark for exceeding the word count limit (700 words)
Question 2
This question carries 17% of the marks for this assignment
Suppose a battery has the following parameters:
• Voltage: 1.5 V
• Capacity: 500 mAh
• Weight: 45 g
• Volume: 15 cm3
• Current delivered: 2 A
a) Calculate the internal resistance? (2 Marks)
b) Calculate the energy of the battery in both Watthours and Joules? (3 Marks)
c) Calculate the volumetric energy density in SI units? (2 Marks)
d) Calculate the gravimetric energy density in SI units? (2 Marks)
e) The battery is connected to an external load. The current drawn from the battery is 90mA.
• Calculate the external load? (2 Marks)
• Calculate the power dissipated by the battery? (2 Marks)
• Calculate the volumetric power density in SI units? (2 Marks)
• Calculate the gravimetric power density in SI units? (2 Marks)
Question 3
This question carries 16% of the marks for this assignment
The layout of memory cells in NAND flash allows memory cells to be packed more closely together than in NOR flash. Consider the technology node is F, then the space required by a NOR cell is 15×F2 and the space required by a NAND cell is 7×F2 .
If the technology node F is 90 nm, use these formulae to calculate:
1. The cell size of flash NOR and NAND memory for binary cells (1 bit per cell).
(4 Marks)
2. The number of bits that can be stored on a chip that is 8mmx8mm. (4 Marks)
3. Consider the following information is found in a memory chip data sheet indicating the memory organization: 131072 bits x 256 pages x 8192 blocks x 4 planes. taking into account that the organization is presented from the smallest unit size (bit) to the largest unit size (plane). Calculate the following: (8 Marks)
Question 4
This question carries 21% of the marks for this assignment
If the following codes are received:
• 1101101
• 0010111
• 1010101
State whether there have been any errors, then if they have errors, correct them and then give the decoded output (the original messages) from every correct code. (Assume that the probability of there being more than one error in a received codeword is negligible.) You can use the below parity check scheme for a Hamming code.
Question 5
This question carries 26% of the marks for this assignment
• The MPEG coding consists of a number of stages. In part 5 of Block 1, you have explored three consecutive stages: Quantization, zigzag scanning and run-length coding performed after the Discrete Cosine Transform (DCT). In this exercise you are asked to explain how these stages perform on a (8x8) DCT output block illustrated in the following matrix:
الكويت البحرين عمان الأردن لبنان مصر البحرين حائل الرياض الدمام جدة المدينة المنورة الاحساء
(.turnitin./ ) فحص التشابه وفقا لنظام الجامعة عن طريق موقع كشف التشابه
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