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Name: Puteri Nur Anserra Bt Anuar
Matrik Number: E20171018826
Subject: Digital Communication and Information Technology Competency

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CHAPTER 7: INPUT AND OUTPUT

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CHAPTER 7: INPUT AND OUTPUT WHAT IS INPUT Input is any data and instructions entered into the memory of a computer. Keyboards A keyboard is an input device that contains keys users press to enter data and instructions into a computer or mobile device Most desktop computer keyboards have… Typing area function keys Toggle keys Directional keys Media control buttons Internet control button An ergonomic keyboard has a design that reduces the chance of repetitive strain injuries Ergonomics incorporates comfort, efficiency, and safety into the design of the workplace Pointing Devices A mouse is a pointing device that fits under the palm of your hand comfortably Optical mouse, laser mouse, and touch mouse Touch Screens A touch screen is a touch-sensitive display device Pen Input With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections A graphics tablet, also called a digit...
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CHAPTER 1: DIGITAL LITERACY

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CHAPTER 1: DIGITAL LITERACY A world of Technology  Because technology changes, you must keep up with the changes to          remain digitally Literacy.         Digital Literacy involves having a current knowledge and understanding computer, mobiles devices, the internet and related technologies.                Introduction to Computer Computer and it's devices   A Computer is an electronic device,operating under the control of instructions  that stored in its own memory. The computer runs by a small Component called CPU. This CPU works by accepting raw data (called input), process the raw data,stored the data and produces useful information (called output).  Computer came in many ways such as: Laptop(came in features of Keyboard, screen and hinges) Tablet(came in features of touchscreen) Desktop(one of the devices that shows Output known ...
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CHAPTER 6: INSIDE COMPUTER AND MOBILE DEVICES

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CHAPTER 6: INSIDE COMPUTER AND MOBILE DEVICES Inside the Case The case contains and protects the electronics of the computer or mobile device from damage The motherboard is the main circuit board of the computer -A computer chip contains integrated circuirt Laptop motherboard Desktop motherboard Processors The processor, also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer Contain a control unit and an arithmetic logic unit (ALU) A multi-core processor is a single chip with two or more separate processor cores The control unit is the component of the processor that directs and coordinates most of the operations in the computer The arithmetic logic unit (ALU) performs arithmetic, comparison, and other operations For every instruction, a processor repeats a set of four basic operations, which consist of a machine cycle The le...
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