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ICT104 Arithmetic, Logical Operations and Signaling Assessment Answer

Assessment Details and Submission Guidelines
Trimester
T3 2020
Unit Code
ICT104
Unit Title
Fundamentals of Computer System Hardware and Software
Assessment
Individual Assessment
Assessment
Arithmetic, logical operations and signaling
Weight
40%
Total Marks
80
Word limit
2500

Assignment Description:

Q1. (8+12= 20 marks)

a. Construct the following digital circuit with Logisim. The circuit has one output Z and three inputs A, B and C.

Z = A B + B + A B C + AB C

b. Find the Boolean expression and the truth table for the following digital circuit. Logic circuit

Figure1: Logic circuit for Q1.b.

Q2. (10+10 = 20 marks)

a. “The maximum number of pulses that can be put through a signal path is limited to twice the bandwidth (in hertz) of the channel”.

Justify above statement. Prepare a short report with introduction, body and conclusion.

b. Assume all the values are in 8-bit 2s complement representation. Perform the following operations.

  • 00101111 + 00111110
  • 10101010 + 10101001
  • 11001010 - 10010011
  • 01111111 + 11011010
  • 00100111 - 10110110

Q3: Research Case Study (4x5= 20 Marks)

You are required to do a research on the topic “Unshielded Twisted Pair (UTP) Cables” and answer the following questions:

  1. Write a short note on one UTP cable of your choice. For example, CAT 4, CAT 5, or CAT 6.
  2. Compare UTP cable of your choice with other UTP cable. State 3 advantages of UTP cable of your choice and 3 advantages of other UTP cable you have chosen to compare.
  3. Which criteria are important in choosing a UTP cable for your network connection?
  4. How to use your choice in the PC-PC connection. Straight or crossover? Justify.
  5. Compare fibre optics connections with UTPs.

Your report should be limited to 400-500 words and should be written in your own words. Provide graphical or tabular information, if necessary. Provide references in IEEE referencing format.

Q4 (10 Marks)

Write a reflective journal explaining about your experience, thoughts and insights about the unit from week 1 up to week 11. You can write what you learned in this unit and your ev

Answer

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