22.11.17

What is an information system?

What is an information system?: What is an information system?

Download free latest unlimited KCSE revision papers, KCSE COMPUTER STUDIES NOTES @ www.manyamfranchise.com -
Author: Maurice Nyamoti

State three techniques used by a network administrator to detect and prevent computer crimes.

State three techniques used by a network administrator to detect and prevent computer crimes.: State three techniques used by a network administrator to detect and prevent computer crimes.

Download free latest unlimited KCSE revision papers, KCSE COMPUTER STUDIES NOTES @ www.manyamfranchise.com -
Author: Maurice Nyamoti

21.11.17

GOVERNMENT AND BUSINESS - KCSE BUSINESS STUDIES NOTES

GOVERNMENT AND BUSINESS - KCSE BUSINESS STUDIES NOTES: GOVERNMENT AND BUSINESS - KCSE BUSINESS STUDIES NOTES

Download free latest unlimited KCSE revision papers, KCSE COMPUTER STUDIES NOTES @ www.manyamfranchise.com -
Author: Maurice Nyamoti

kcpe past papers updates

Dear Subcriber?

We updated two pages today. For std 4 and std 5 check links below

Go to page: KCPEMembership » High Quality papers » cspstd5
Free online academic resources for all levels
+254-728-450-425, +254-738-619-279

19.11.17

Fwd: [Manyam Franchise - Latest KCSE-KCPE Past Papers and Answers] A document was attached to cspstd6

Hi Subscriber?
Today-19-11-2017, Manyam Franchise team attached files to page KCPEMembership » High Quality papers » cspstd6.

Our Mission:
To use our locally available resources for creating a system that will provide knowledge seekers with easy, affordable and quality educational resources.

​Happy Sunday - more papers will still be updated and we will inform you instantly​

~ Maurice 

18.11.17

Re: ATIKA SCHOOL Fwd: [Manyam Franchise - Latest KCSE-KCPE Past Papers and Answers] A document was attached to cspstd7

if you are a member, ignore the last sentence

__________________________________________________
Email Source:
Maurice A Nyamoti
Free online academic resources for all levels
+254-728-450-425, +254-738-619-279

On 18 November 2017 at 09:34, Manyam Franchise <sales@manyamfranchise.com> wrote:
Maurice Nyamoti today attached files to page KCPEMembership » High Quality papers » cspstd7.
Go to page: KCPEMembership » High Quality papers » cspstd7

​To access these Std 7 papers you need membership details​


Fwd: [Manyam Franchise - Latest KCSE-KCPE Past Papers and Answers] A document was attached to cspstd7

Maurice Nyamoti today attached files to page KCPEMembership » High Quality papers » cspstd7.
Go to page: KCPEMembership » High Quality papers » cspstd7

​To access these Std 7 papers you need membership details​

5.11.17

REQUIREMENT SPECIFICATION, SYSTEM DESIGN AND CONSTRUCTION

REQUIREMENT SPECIFICATION, SYSTEM DESIGN AND CONSTRUCTION: REQUIREMENT SPECIFICATION, SYSTEM DESIGN AND CONSTRUCTION

Powered by: www.manyamfranchise.comKCSE past papers, KCPE and mocks online

3.8.13

Basic Computer Practices and Maintenance Skills for Starters –Part two

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com
Author: Atika M. Nyamoti

Basic Computer Practices and Maintenance Skills for Starters –Part two

2.8.13

Computer software

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti


Computer software 


Computer software, or just software, is a collection of computer programs and related data that provides the instructions for telling a computer what to do and how to do it.

Basic Computer Practices and Maintenance Skills for Starters

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com 
Author: Atika M. Nyamoti


Basic Computer Practices and Maintenance Skills for Starters –Part one

  Starting up a Computer

31.7.13

Power lines and interfacing in a computer

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com
Author: Atika M. Nyamoti

Power lines and interfacing in a computer 

An interface is a tool and concept that refers to a point of interaction between components, and is applicable at the level of both hardware and software. Most computer interfaces are bi-directional, but the mouse or graphics adapter are uni-directional.

30.7.13

Output devices

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

Output devices 


 
An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) which converts the electronically generated information into human-readable form.

29.7.13

Optical disks

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

 Optical disks

The Compact Disc
or CD for short, is an optical disc used to store digital data. It was originally developed to store and play back sound recordings only, but the format was later adapted for storage of data (CD-ROM), write-once audio and data storage (CD-R), rewritable media (CD-RW), Video Compact Discs (VCD), Super Video Compact Discs (SVCD), Photo CD, Picture CD, CD-i, and Enhanced CD. Audio CD's and audio players have been commercially available since October 1982. Have a storage capacity of 700MB or 80 minutes of continuous play.

27.7.13

Secondary storage devices

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

Secondary storage devices


http://www,manyamfranchise.com
These are devices that store data permanently. They are classified into two categories namely: Magnet and Optical disks.

22.7.13

PROCESSING DEVICES

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti


PROCESSING DEVICES

THE CENTRAL PROCESSING UNIT(CPU)

The CPU also known as the processor is mounted on the system board (mother board) inside the system unit. It’s regarded as the brain of the computer because it does all the processing activities in the computer. The figures below shows the top and bottom view of a the CPU respectively.

The computer Lab and the Keyboard-Review questions

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

 The computer Lab and the Keyboard

 Review questions


  1. How does a computer differ from a calculator?
  2. List any three safety precautions one should observe when entering a computer lab

21.7.13

Scanning Devices

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

3. Scanning Devices



  • -These are devices that capture data directly into the computer.
  • -They can also be defined as devices that use a magnetic or photo-electric source to scan and convert images into electric signals that can be processed by an electronic apparatus, such as a computer.

Pointing devices

Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti

2. Pointing Devices


these are devices used to control the pointer/cursor on the screen. Examples: mouse, joystick, trackball, light pen etc

   The Mouse

there are different types of mice namely: ps/2, optical, wireless/cordless etc 

20.7.13

18.7.13

Computer systems

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti

 Computer systems


kcse computer notes
computer system

16.7.13

The computer laboratory

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti


The computer laboratory

A computer lab is a room set aside for installation and use of computers.

Safety precautions and practices in the computer lab

Computer systems are expensive to acquire and maintain, and should therefore be handled with care.

Causes of computer damage and measures to avoid them

  • Dust and Smoke- 
    dust and smoke damage the surface of the hard disk and other sensitive parts. To avoid them:

15.7.13

Introduction to Computers Quiz

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti


 Introduction to Computers Quiz

Exercise questions

1. What are the different parts that make up a computer?

2. CPU stands for?

3. What is a Modem? What is it used for?

4. Data that has been processed and has meaning is referred to as?

Introduction to Computer Answers

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti

 Introduction to Computer Answers

1. What are the different parts that make up a computer?
Mouse, Keyboard, System Unit, Screen(Monitor/VDU-Visual Display Unit)
2. CPU stands for?
Central Processing Unit

3. What is a Modem? What is it used for?
A modem is made from these two words: Modulation and Demodulation this means converting digital signal into analogue for transmission and vice versa.

14.7.13

Areas where computers are used summary

Powered by www.manyamfranchise.com Created by: M.A Nyamoti



Areas where computers are used

Just like all other machines, computers are used in a day-to-day life to make work easier and more efficient. Some important application areas of a computer are given below.

12.7.13

Classification of Computers According to Functionality and Purpose

Powered by www.manyamfranchise.com Created by: M.A Nyamoti


2. Classification according to functionality


Classification of Computers

Powered by www.manyamfranchise.com Created by: M.A Nyamoti
 

Classification of computers

 Computers can be classified according to physical size, functionality and purpose as shown in the organizational chart below

11.7.13

10.7.13

Development of Computers

Powered by www.manyamfranchise.com Created by: M.A Nyamoti

 Development of Computers


The earliest known device to record computations was the abacus. It dates back to ancient times and was invented by the Chinese. Ten beads were strung onto wires attached to a frame. Addition and subtraction were read from the final positions of the beads. It was considered the first manual tool used in calculating answers to problems that provided information and in a primitive way storing the results.
Mechanical Clock 

Definition of a computer

 Definition of a computer


computer pic
computer front view
In simple terms a computer is a machine that processes data into information
A computer can also be described as an electronic device that saves, transmits and processes data into information using electrical signals. The physical parts of a computer include: 
Mouse, Keyboard, system unit and screen.