The following questions is about chapter 4 "Cache Memory":
1. A set-associative cache consists of 64 lines, or slots, divided into four-line sets. Main memory
contains 4K blocks of 128 words each. Show the format of main memory addresses.
CS432 Network security
We select a keyword Galois.
1) Fill the Playfair cipher 55 matrix by the appropriate letters.
2) Encipher the text COMSEC means communications security.
1) Decipher the following ciphertext obtained by applying
Question # 2. (8pts)
The dentist detected 3 main symptoms Cavity (C) , Toothache (TA) and Temperature (T) among his
patients. Every patient can have cavity (C) or not (C) and can have a toothache (TA) or not (TA)
and its temperature can be Normal, Low, an
Answer the questions at the end of Case Studies
This work is group based (3 students / group)
You have to submit a hardcopy as well as a softcopy
Submission due: 14/May/2015
Imam University | CCIS | Vice Deanery of Development and Quality
Page 1 of 6
Date: 18th February, 2015
a. buying and selling
b. exchanging e-mails
c. transactions over a computer
d. exchanging products and services
e. exchanging information
we sell mer
Date: 4th March, 2015
What is the activity in box A of Exhibit
a. exchange products and services
b. exchange information
d. exchange e-mails
e. shopping cart
What is the activ