1. What is a PC? A PC is a programmable, electronic gadget that acknowledges information, performs procedure on that information, presents the outcomes, and stores the information or results depending on the situation. Computer repair shop
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2. How does a PC respond? A PC can perform four general tasks: Input (entering information into a PC) Processing (performing procedure on the information) Output (introducing the outcomes) Storage (saving information, projects, or result)
3. Information versus Data Data: practically any sort of reality or set of realities Information Handling: the transformation of information into data Information: handled information into a significant structure Information • Crude, chaotic, natural realities Data Handling Data • Information that has been handled into a significant structure. laptop screen repair cost uk
4. What is equipment? Hardware is the actual piece of a PC, that you can contact Examples: Console Mouse Screen Printer Scanner speaker
5. What is programming? Programming alludes to the projects or directions used to instruct the PC equipment
6. Sorts of programming: 1. Framework Programming The projects that permit a PC to work are all in all alluded to as framework programming. Models: Windows, Macintosh LINUX, UNIX Android, Symbian
7. Sorts of programming: 2. Application Programming Application programming comprises of projects intended to permit individuals to perform explicit assignment Models: Microsoft Office (Word, Succeed, PowerPoint, Access) Adobe Photoshop, Tumbler Web adventurer
8. Sorts of Clients PC Clients (End Clients) – – Individuals who use PCs to perform assignments or get data Software engineers – PC Experts who compose, test, and keep up with PC programs Framework Investigators – PC Experts who break down and plan PC frameworks to take care of business issues Activities Faculty – PC Experts who are answerable for the everyday PC tasks. apple watch repair uk
9. Sorts of PCs: 1. Inserted PCs A minuscule PC installed into an item and intended to perform explicit errands or capabilities Models: Clothes washer Microwave TVs Vehicles
10. Sorts of PCs: 2. Cell phones A tiny specialized gadget with worked in processing or web capacity Models: PDAs Savvy watches Handheld gaming gadgets Compact computerized media players
11. Kinds of PCs: 3. PCs A PC intended to be utilized by each individual in turn Models: Work stations Convenient PCs (Journal/PC, Tablet, Netbook, Super versatile PC/Handheld PC)
12. Kinds of PCs: 4. Midrange Server/PC A medium-sized PC used to have projects and information for a little organization Model: Clinical or dental workplaces School PC lab Home and private venture servers
13. Kinds of PCs: 5. Centralized server PC A strong PC utilized by numerous huge associations to oversee a lot of concentrated information and projects Models: Emergency clinics Colleges Banks Government workplaces
14. Kinds of PCs: 6. Supercomputer The most remarkable and most costly PC for complex calculations and handling Models: Space Missions and Satellite Controls Weather conditions anticipating Oil investigation Logical examination
15. Fundamental sorts of information Sight and sound Joining of different types of media PC data addressed through sound, video, movement, notwithstanding, text, picture Information Text Number Picture Sound Video
16. Advanced information portrayal Cycle (Paired digit) – – the littlest unit of information that can be put away in a PC (0 or 1) Byte – – a gathering of 8 pieces Bit Example – – a series of pieces, model, 10011101110110001 Information Unit Change 1 KB (Kilobyte) ≈ 1 thousand bytes 1 MB (Megabyte) Byte Bit
17. Coding Guidelines for Message based Information (Characters) ASCII (American Standard Code for Data Trade) utilizes 7-piece code to address each person Every 7-piece code can address up to 128 characters (27 remarkable mixes) Broadened ASCII utilizes 8-digit code to address each person Every 8-cycle code can address up to 256 characters (28 extraordinary blends) EBCDIC (Expanded Double Coded Decimal Data Code) utilizes 8-bit code to address each person Every 8-bit code can address up to 256 characters (28 novel blends) Unicode General global coding standard to address message based information in any language utilizes (8-bit to 32-bit) code to address each person ISO (Worldwide Association for Normalization) utilizes 32-bit code to address each person Each 32-bit code can address up to 232 characters
18. Kinds of pictures: 1. Bitmap Realistic made of a lattice or network of little specks (pixels; picture components) The variety at every pixel is addressed by parallel code/number 0 00 0 1 For monochrome (Dark and White) realistic picture
19. Kinds of pictures: 2. Vector Realistic made of lines, bends and shapes in view of vectors (ways) that lead through areas (control focuses or hubs) all lines, bends, or shapes are addressed by numerical equations
20. Sound The method to switch simple sound over completely to advanced sound 1) simple sign is tested 2) examples are quantized 3) The quantized qualities are coded into parallel examples
