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Try_It_Yourself_AppendixA_Exercises.doc

Prelude to Programming, 6th Edition by Stewart Venit and Elizabeth Drake

Try It Yourself: Appendix A: Decimal, Binary, & Hexadecimal Representation

Your name: Type your name here

Question

Answer

1.

Given the number 108 , __________ is the base.

2.

Given the number 105 , __________ is the exponent.

3.

When a base is raised to a power of __________ , the result is one.

4.

There are __________ digits in the decimal system.

5.

There are __________ digits in the hexadecimal system.

6.

Write the following decimal numbers in expanded notation:

(a) 3410 ___________________________________________________

(b) 23810 __________________________________________________

7.

Write the following decimal numbers in expanded notation:

(a) 2,04510 __________________________________________________

(b) 50,02410 _________________________________________________

8.

Write the decimal value of the following binary numbers:

(a) 112 ________________ (b) 10112 ___________________

9.

Write the decimal value of the following binary numbers:

(a) 110101012 _____________ (b) 111111112 ___________________

10.

Write the binary representation of the following decimal numbers:

(a) 710 ___________________ (b) 3410 ___________________

( continued (

11.

Write the binary representation of the following decimal numbers:

(a) 6310 ___________________ (b) 15710 ____________________

12.

Write the decimal value of the following hexadecimal numbers:

(a) 6416 ___________________ (b) 9F16 ___________________

13.

Write the decimal value of the following hexadecimal numbers:

(a) 8E0A16 _________________ (b) ABCD16 ____________________

14.

Write the hexadecimal representation of the following decimal numbers:

(a) 1210 ___________________ (b) 16010 ___________________

15.

Write the hexadecimal representation of the following decimal numbers:

(a) 78510 ___________________ (b) 91610 ____________________

16.

Find the decimal value of each digit in the following hexadecimal number:

A75BC916

(a) The A = _____ (b) The 7 = _____ (c) The 5 = _____

(d) The B = _____ (e) The C = _____ (f) The 9 = ______

17.

Convert the following binary numbers to hexadecimal notation:

(a) 11012 __________ (b) 111011102 __________

18.

Convert the following binary numbers to hexadecimal notation:

(a) 1010101010102 ___________ (b) 10111111000000112 __________

19.

What is wrong with this number: 01120012 ?

__________________________________________________

( continued (

20.

Find the number that comes right before each of the following numbers:

(a) E916 __________________ (b) 20016 __________________

(c) 101012 __________________ (d) 1110002 ___________________

Challenge

Convert the following decimal numbers to base 3:

(a) 510 ________ (b) 910 _________ (c) 12610 ____________

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