(12 marks) Chapter 3
“Review the Basics”: Q1, Q7.
“Think Critically”: Q2, Q3.
(Note: Please give a short explanation on all your answers.
No explanation no marks.
)
4.
(18 marks) Chapter 4
“Review the Basics”: Q1, Q5, Q20, Q23.
“Think Critically”: Q
3, Q5.
5.
(24 marks)
Perform the following conversions without using a calculator.
(Nevertheless, you should check
your answers using the
MS Calculator
.)
Remember that a calculator is not allowed in quizzes, midterm and
final exams:
(Note: You may handwrite your answer in this question.)
***
Show all your intermediate steps and work - No steps, No marks!
***
a.
[8 marks] Convert the binary number
110 0000b
and
10 1010 1010b
to both a decimal number (2 marks
each) and a hexadecimal number (2 marks each).
b.
[8 marks] Convert the hexadecimal number
6C5Ah
and
ABCDEh
to both binary (2 marks each) and
decimal (2 marks each).
c.
[8 marks] Convert
50,005
and
10,999
into both a binary number (2 marks each) and a hexadecimal
number (2 marks each)
6.
(5 marks)
Determine the minimum number of bits you would need for a memory address if memory could
have up to 3.5 Million bytes. Assume byte addressing, and explain how you arrived at your answer.
(Hint:
There is a similar example on Number Representation notes.)

CIS 190 -
Systems Hardware Concepts
Assignment 2
University of the Fraser Valley
Page 2 of
2
7.
(10 marks)
Perform the following conversions:
a.
Look at the ASCII Table in the Q: drive (Ascii_Character_Set_and_Ansi.sysl.pdf) and describe
how
the
character patterns such as the letters, numbers, … are arranged and represented.
b.
If a computer receives the following binary numbers:
0100 0001, 0011 0001, 0101 1010, 0011 0000,
0111 1000.
What ASCII symbols do they represent?
Note:
Remember that you must do your own work
–
see the instructor if you have difficulties.
IMPORTANT
:
If you do “cut and paste” from the Internet or the textbook,
you
must quote them
by specifying
the exact web locations or page number.