# 12 marks chapter 3 review the basics q1 q7 think

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(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.