Performance Factors of PCs and Monitors depends on RAM and Microprocessor

 Performance of a computer depends mainly on: • Storage Capacity of RAM • Speed of the microprocessor Speed of the Microprocessor • A microprocessor performs the actual processing of data • Manipulates 8, 16 or 32 bits of data at a time • PC with 32-bit microprocessor will be faster than 16-bit and the PC with16-bit microprocessor will be faster than a 8-bit system • The Bus transfers data between the microprocessor, memory and peripherals…

"Performance Factors of PCs and Monitors depends on RAM and Microprocessor"

STORAGE POWER OF A MODERN COMPUTERTECHNOLOGY

• Computer Storage – Refers to the data stored in an electromagnetic form to be used by the processor • Storage Capacity – Is the number of characters that can be stored on a computer Computer Stores a variety of data and information in its memory Computer  Stores numbers (0-9), letters (A-Z) and symbols and other characters (#, {}, ‘, ~, ^) It uses the binary system to represent these characters The 0s and 1s in the…

"STORAGE POWER OF A MODERN COMPUTERTECHNOLOGY"

PROCESSING DEVICES (System Unit) MODERN TECHNOLOGY OF THE WORLD

In a computer: • Keyboard and the mouse are input devices • Monitor and the printer are output devices • The system unit is responsible for all the processing required to convert the input to the desired output • The system unit can perform all kinds of arithmetic and logical operations Motherboard   It is a part of the system unit and houses several vital components of the computer  • Microprocessor – It is the most…

"PROCESSING DEVICES (System Unit) MODERN TECHNOLOGY OF THE WORLD"

Output Devices of computer: Modern Technology

Output Devices • Device that is capable of representing information from a computer is called an output device There are three important output devices connected to the system unit: • Monitor • Printer           Dot matrix, Inkjet, Laser • Speakers Monitor • Resembles a television screen • Also called the Visual Display Unit (VDU) • Used to display information from the computer • Displays text and graphics • Has a power button to turn it…

"Output Devices of computer: Modern Technology"

Input Devices of Computer: Technology of modern world

• Some of the important computer input devices are:  • Mouse • Keyboard • Scanner • Microphone • Web camera  Mouse  • Used to point to and select options displayed on the monitor • Connected to the system unit by means of a long wire • May have two or three buttons • Left button is the most frequently used button • Scroll mouse comes with a wheel between the left and right buttons  • Optical mouse is a pointing device that detects…

"Input Devices of Computer: Technology of modern world"

The Personal Computer: Technology of Computer

The Personal Computer: Different types of Computer  •Referred to as a PC •Designed to be used by one individual at a time. •Used for applications, such as accounting, statistical analysis and graphic design. •Not suited for complex applications – that require large storage capacities. – involve complex mathematical calculations.  Desktops and Towers  •Desktops – Can be placed on top of desks or tables. •Towers – The system unit can be placed under the desk. •All…

"The Personal Computer: Technology of Computer"

Benefits and Limitations of Computers

Benefits and Limitations of Computers Benefits of Computers •High Speed –Ability to perform tasks at a greater speed than human beings. –Perform complex calculations in seconds. •Accuracy –Perform tasks with accuracy. –Input given to the computer determines the output received. •Storage –Can store large amounts of information. –Retrieve information whenever required. •Automation –Can be instructed to perform tasks automatically. •Diligence –Can perform the same task repeatedly, without getting tired. –Can do the same job with the same…

"Benefits and Limitations of Computers"

Application of Computers in Education

Application of Computers in Education •Computers have brought about radical changes in the field of education. •Computers are used extensively in: –Digital Media in Education –Digital Communication in Education –Online Tests and Publishing of Test Results _Data Traking Digital Media in Education  •Digital lessons help students to understand and retain concepts. •Computer-based self-paced learning is used as a teaching aid to supplement classroom learning. •A program is a set of instructions that enables a computer to…

"Application of Computers in Education"

When Your Mouse Not Working Use keyboard Shortcut. Mind on Keyboard

  GENERAL KEYBOARD SHORTCUT  CTRL+C (Copy)  * CTRL+X (Cut)  * CTRL+V (Paste)  * CTRL+Z (Undo)  * DELETE (Delete)* SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle Bin)  * CTRL while dragging an item (Copy the selected item)  * CTRL+SHIFT while dragging an item (Create a shortcut to the selected item)  * F2 key (Rename the selected item)   * CTRL+RIGHT ARROW (Move the insertion point to the beginning of the next…

"When Your Mouse Not Working Use keyboard Shortcut. Mind on Keyboard"

Primary Concept on Computer Technology

Some Basic Concept on Computer Science & Technology What is Computer?Computer is an electronic device, which can perform arithmetical as well as logical operations.   What is Bit ? A Bit is the smallest unit of Storage Capacity.   What is Byte ? A set of eight Bit is Called Byte.   What is Bus ? The Bus is a Hardware component that Carries data within and between the Microprocessor, RAM and Peripherals.   What…

"Primary Concept on Computer Technology"