Assignment 1

Marked out of 8.  The following questions were marked:

Q2: 1 mark for the right answer

Q3: 2 marks for the right answers (1 each, in hexadecimal)

Q5: 3 marks for right answers (1 each)

Q7: 2 marks for right answer


			  Assignment 2

Marked out of 10. The following questions were marked:

Q1: 1 mark for method
    1 mark for answer

Q2: 1 for method
    1 for answer

Q4: 1 for meaning of 9/125
    1 for single-mode
    1 for area ratio

Q5: 1 for distance
    1 for method
    1 for answer

			  Assignment 3

Marked out of 10.  Only the following questions were marked and
marks were assigned as follows:

Q1: 1 for 29 kHz
    1 for 50 kHz

Q2: 1 for gain of 1/sqrt(2) at 500 kHz
    1 for correct frequencies when gain reaches 1 and 0

Q4: 1 for correct answer (5.9 MHz)

Q6: 1 for correct answer (2 or 3%)

Q8: 1 for "eye diagram"
    1 for "does NOT meet Nyquist"

Q11: 1 for 32 Mb/s
     1 for 10 dB

			  Assignment 4

Marked out of 14.  All questions were marked:

Q1: 7: 1 mark for each of 7 answers

Q2: 2: 1 mark for 10k, 1 mark for 3 cents

Q3: 2: 1 mark for each nybble

Q4: 3: 1 mark for start flag, 1 mark for first bit stuffing (other
    stuffing was not checked, 1 mark for end flag


			  Assignment 5

Marked out of 15.  The questions marked and marks assigned are as
follows:

Q1: one mark for each of the following: both amplitude and phase,
    8 symbols, 3 bits/symbol, distance ~= 1.4 V (4)

Q3: one mark for each of: generator polynomial, 23 bits, 3x
    increase in BER (3)

Q4: k=2, n=7, d=3, corrects 1, detects 2 (5)

Q7: ping results, hop count matches output, no response when TTL
    is less than hop count because ping request is dropped (3)