COUNTING
Mathematics for Computing
(IT 1030)
SEQUENCES
What is a Sequence?
A Sequence is a list of things (usually numbers)
that are in order; Infinite or Finite
INFINITE OR FINITE SEQUENCES
When the sequence goes on forever it is called
an infinite seque
Mathematics for Computing (IT1030)
Lecture 3.2 Computer
Arithmetic
Introduction
Recap:
Binary numbers are a number system with base 2.
Information represented inside a computer takes
binary values.
Previous lecture dealt with the conversions
between d
Sri Lanka Institute of Information Technology
B. Sc Degree in IT/IS/CSN, Diploma in Information Technology
Year 01 Semester I 2017
Mathematics for Computing (IT1030)
Tutorial 01
1. Draw a truth table for a three input AND gate and a FOUR input OR gate.
2.
Sri Lanka Institute of Information Technology
B. Sc Degree in IT/IS/CSN, Diploma in Information Technology
Year 01 Semester I 2017
Mathematics for Computing (IT1030)
Tutorial 01
1. Consider the expressions.
I.
= +
II.
= + + +
III.
+
+
+
=
Buil
Sri Lanka Institute of Information
Technology
B.Sc. Special Honours
Degree/Diploma
in
Information Technology
Mathematics for computing
Graph Theory
Basic Definition
A graph consists of finite set of vertices V and edges E.
Often we denote a graph by G and
Matrices
MATHEMATICS FOR COMPUTING (IT 1030)
Matrix Definition and Notations
A matrix is an array, which satisfies certain algebraic rules of operation.
Capital letters are usually used to denote matrices
Eg:
2 1
1 3
0
4
Vectors
Matrices, which have ei
Mathematics for Computing (IT1030)
Lecture 3.1
Number Systems
Number Systems
Mathematical notation/symbols for representing values
(numbers).
In different systems, different symbols are used.
20-Feb-17
2
Positional Number System
We are used to dealing
Functions
Mathematics for Computing (IT 1030)
Definition
A function f from a set X to a set Y is a relationship between elements of X
and elements of Y with the property that each element of X is related to a
unique element of Y.
f: x
y
Range/Image
The un
Differentiation
MATHEMATICS FOR COMPUTING (IT1030)
Introduction to Differentiation
Slope of a line indicates the rate at which a line rises or falls
For a line, this rate (or slope) is the same at every point on the line
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Ca
Security Architecture
and Design
Objectives
System Architecture
Security models
Bell LaPadula
Biba
Clark-Wilson
Access Matrix
Multi-Level
Mandatory Access Control (MAC)
Discretionary Access Control (DAC)
Role-based Access Control (RBAC)
Non-inter
Access Control Systems &
Methodology
1
Access Controls
From
(ISC)2 Candidate Information
Bulletin:
Access
control is the collection of
mechanisms that permits managers of a
system to exercise a directing or
restraining influence over the behavior,
use,
Business Continuity and
Disaster Recovery Planning
Objectives
Running a business continuity and
disaster recovery planning project
Developing business continuity and
disaster recovery plans
Testing business continuity and disaster
recovery plans
Train
Routers and Routing
Protocol
Hardening
CCNP ROUTE: Implementing IP Routing
ROUTE v7 Chapter 8
2007 2016, Cisco Systems, Inc. All rights reserved.
Cisco Public
1
Chapter 8 Objectives
This chapter covers the following topics:
Securing the Management Plane
Chapter 6:
Enterprise Internet
Connectivity
CCNP ROUTE: Implementing IP Routing
ROUTE v7 Chapter 6
2007 2016, Cisco Systems, Inc. All rights reserved.
Cisco Public
1
Chapter 6 Objectives
Planning Enterprise Internet Connectivity
Establishing Single-Homed
Design and Management
of Enterprise Networks
Lakmal Rupasinghe
BSCI 2 - 1
2006 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
1
Course:
Time: Saturday
10:30am 1:30am
Room: 505
All lectures available from Moodle page
Course Code: DMEN458
Question :
a. Consider the network topology below. DVMRP multicast routing algorithm is
implemented. For a multicast group where node A is the source and nodes E, G, H are
receiving nodes, please draw the multicast forwarding tree for this multicast group
Chapter 1:
Basic Network and Routing
Concepts
CCNP ROUTE: Implementing IP Routing
ROUTE v7 Chapter 1
2007 2016, Cisco Systems, Inc. All rights reserved.
Cisco Public
1
Chapter 1 Objectives
Differentiating Between Dynamic Routing Protocols
How Different
MIT 3101 Individual Project
Project Proposal Form
One copy of this form is to be completed by each student submitting a project
proposal.
The student and the supervisor must sign the form (Hard Copy version) in
order to submit the project proposal for e
Length and time
Physical quantities
The foundation of physics rests upon physical quantities in terms of which the laws of physics are
expressed.
Among these are mass, length, time velocity, force, density, temperature, electric current, and
numerous othe
1
INTRODUCTION TO PHYSICS.
DEFINITION OF PHYSICS
The science of the nature. Physics is that branch of science which treats of laws and properties of
matter and force acting upon it. The department of natural science (Physics) which treats the causes
(Elec
Regression Analysis
Alok Srivastava
Robinson College of Business,
Georgia State University
Module 3
Dependent variable
Regression
Independent variable (x)
Regression is the attempt to explain variation in a dependent
variable using variation in independen
1.
(a)
(i)
Complete the electronic configuration of calcium.
1s2 .
(1)
(ii)
State the number of electrons in the outer shell of an atom of chlorine.
.
(1)
(b)
(i)
Write the equation for the reaction of calcium with chlorine to produce
calcium chloride.
.
Case: Sports Direct - How Britains biggest sports retailer flourished during the recession
(| From the Economist print edition-Jul 5th 2014 )
A SPORTSWEAR shop in Westfield, a vast shopping centre in east London, is not an obvious tourist attraction. But
CS5122 Descriptive and Predictive Analytics
Take Home Lab 4
Due April 30 before 11:55 PM
Learning Outcomes
In this lab we will analyze and describe a given time series dataset using R commands. At the end
of the lab you will be able to:
apply statistical
SNMP
SIMPLE NETWORK
MANAGEMENT PROTOCOL
NETWORK MANAGEMENT
In computer networks, network management refers to the
activities, methods, procedures, and tools that pertain to the
operation, administration, maintenance, and provisioning of
networked systems.
NETWORK SYSTEMS
DESIGN EC 343
Network Monitoring
TODAYS LECTURE OVERVIEW
Definition of Network Monitoring
Active vs. Passive monitoring
Categories for monitoring
Network specifications: Ethernet
Network traffic and protocols
Platforms and operating sys
NETWORK SYSTEMS
DESIGN EC 343 (300)
Fault Tolerance and Disaster Recovery
(Part II)
Todays lecture overview
Why worry about fault tolerance and disaster
recovery?
Component Redundancy
RAID
Single Level RAID
Nested RAID
Clustering: To be discussed in
NETWORK SYSTEMS
DESIGN EC 343 (300)
Network Mapping and Baselining
Todays lecture overview
Audit
Network Mapping
Definition
Goals
Benefits
Network mapping the OSI reference model
Non network information
Tools for performing network mapping
In the