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Classification of Computers According to Functionality and Purpose

By Atika Nyamoti - July 12, 2013

2. Classification according to functionality

Computer software

By Atika Nyamoti - August 02, 2013

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.

PROCESSING DEVICES

By Atika Nyamoti - July 22, 2013

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.

Basic Computer Practices and Maintenance Skills for Starters –Part two

By Atika Nyamoti - August 03, 2013

Basic Computer Practices and Maintenance Skills for Starters –Part two Adjusting system volume To adjust the volume for multimedia playback devices Open Sounds and Audio Devices in Control Panel . On the Audio tab, under Sound playback , click Volume . In the Master Out dialog box, drag the Volume slider for the appropriate device up or down to increase or decrease the output volume. Installing drivers A device driver or software driver is a computer program allowing higher-level computer programs to interact with a hardware device. A driver typically communicates with the device through the computer bus or communications subsystem to which the hardware connects. When a calling program invokes a routine in the driver, the driver issues commands to the device, once the device sends data back to the driver, the driver may invoke routines in the original calling program. Drivers are hardware-dependent and operating-system-specific. In

Definition of a computer

By Atika Nyamoti - October 20, 2019

Definition of a computer Lesson Objectives: at the end of this lesson, the learner should be able to describe: definition of a computer parts of a computer peripheral devices functions of a computer characteristics/features of a computer advantages of a computer purpose of a computer basic terms used in computers 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. DESKTOP COMPUTER Which part of a computer is missing in the image above? Common terminologies used in computer Computer functions Data data simply refers to raw alphanumeric values which have no much meaning to the user. //raw here stands for unprocessed Information information is a sequen

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