QUICK QUESTIONS WITH ANSWERS FOR REFERENCE

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

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

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.

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

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.

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.