The document discusses several key topics related to computer systems:
1. Computers only understand binary (1s and 0s) called machine code. Humans write programs in high-level languages that are translated into machine code.
2. Operating systems control tasks like loading data, reading input/output, and saving files. They provide a human-computer interface (HCI).
3. Files are either program files or data files used by programs. Memory stores active data (RAM) and permanent files (backing storage like hard disks).
hi friends
welcome to my slide share. An easy way to learn computer .
In this video I am going to tell you about basic of the computer system part -1 .
for more information please watch our SlideShare till end.....
This is a short presentation about the basic of computer so that students will understand the hardware and software and how computer is used in our daily life.
hi friends
welcome to my slide share. An easy way to learn computer .
In this video I am going to tell you about basic of the computer system part -1 .
for more information please watch our SlideShare till end.....
This is a short presentation about the basic of computer so that students will understand the hardware and software and how computer is used in our daily life.
The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
Computer System and Its Components
- Motherboard
- CPU
- Difference GUI And CUI
Characteristics Of Computer
- Block diagram of computer
- Input unit
- Output unit
- Memory unit
TYPES OF COMPUTER MEMORY (RAM and ROM)
- Random Access Memory (RAM)
- Difference between DRAM and SRAM
- Read Only Memory (ROM)
OTHER TYPES OF MEMORY
- Cache memory
- Sequential Access Memory
- Random access memory
- Classification Of Memory
Control Unit
ALU
Input / Output function and characteristics
Memory – RAM ROM and other types of memory
Storage fundamentals – primary vs secondary data storage
this presentation is all about the computer introduction, especially for the newbies or for the kids.. These slides can also be used in the schools or tuition to educate the children
A very nice presentation from jodie
Are you in search of Basic Computer Training in Ambala?
Now your search is end here.... Batra Computer centre provides you the best computer training in Ambala Cantt.
The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
Computer System and Its Components
- Motherboard
- CPU
- Difference GUI And CUI
Characteristics Of Computer
- Block diagram of computer
- Input unit
- Output unit
- Memory unit
TYPES OF COMPUTER MEMORY (RAM and ROM)
- Random Access Memory (RAM)
- Difference between DRAM and SRAM
- Read Only Memory (ROM)
OTHER TYPES OF MEMORY
- Cache memory
- Sequential Access Memory
- Random access memory
- Classification Of Memory
Control Unit
ALU
Input / Output function and characteristics
Memory – RAM ROM and other types of memory
Storage fundamentals – primary vs secondary data storage
this presentation is all about the computer introduction, especially for the newbies or for the kids.. These slides can also be used in the schools or tuition to educate the children
A very nice presentation from jodie
Are you in search of Basic Computer Training in Ambala?
Now your search is end here.... Batra Computer centre provides you the best computer training in Ambala Cantt.
Title: The Transformative Power of Computer Usage in Today's World
Ladies and gentlemen,
In the rapidly evolving landscape of the 21st century, few phenomena have had as profound an impact as the widespread adoption and utilization of computers. From personal computing to artificial intelligence, from social networking to scientific research, computers have become ubiquitous tools that shape nearly every aspect of our lives. Today, I stand before you to explore the transformative power of computer usage in our modern world.
First and foremost, let us consider the realm of communication. Never before in human history have we been so interconnected, thanks to the advent of the internet and social media platforms. Computers serve as our gateways to the digital realm, facilitating instant communication with individuals across the globe. Whether it's through email, messaging apps, or video conferencing tools, computers have revolutionized the way we connect with one another, breaking down barriers of distance and time.
Moreover, the democratization of information is another hallmark of computer usage in today's world. The internet is a vast repository of knowledge, accessible to anyone with a computer and an internet connection. From educational resources to scholarly research, from news updates to DIY tutorials, the wealth of information available at our fingertips is staggering. Computers empower individuals to learn, explore, and discover at their own pace, fostering a culture of lifelong learning and intellectual curiosity.
In addition to communication and information access, computers have also revolutionized industries and economies around the world. The rise of e-commerce has transformed the way we shop, allowing consumers to browse and purchase goods and services online with unprecedented ease and convenience. From Amazon to Alibaba, from eBay to Etsy, online marketplaces have become virtual shopping malls where millions of transactions take place every day, transcending geographical boundaries and time zones.
Furthermore, the integration of computers into various sectors, such as healthcare, finance, and transportation, has led to increased efficiency, productivity, and innovation. In healthcare, electronic medical records and telemedicine platforms enable healthcare providers to deliver quality care to patients regardless of their location. In finance, algorithmic trading and blockchain technology have revolutionized the way we invest, trade, and manage financial assets. In transportation, autonomous vehicles and smart traffic systems promise to revolutionize urban mobility and reduce congestion on our roads.
However, amidst the myriad benefits of computer usage, it is essential to acknowledge the challenges and concerns that accompany this technological revolution. Cybersecurity threats, such as hacking, malware, and data breaches, pose significant risks to individuals, businesses, and governments alike. Privacy concerns regarding
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4. What does this say? Je ne parle pas Français ainsi je ne peux pas comprendre ceci ! ! I don't speak French so I can't understand this!! =
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9. Summary Computers only understand 1s and 0s, which we call machine code . Humans write programs in high level languages because they are like English, and can be translated into machine code. High level languages can be portable which means they can be translated into different kinds of machine code .
17. Summary Operating systems control the tasks the computer does for the user. This includes loading data into memory, reading data from they keyboard and mouse, saving files and sending text and graphics to the screen or printer. There are two types of file - program files (such as Microsoft Word) and data files , that are used by program files (such as a letter your wrote in Microsoft Word) We interact with the OS through the Human Computer Interface (HCI). The OS translates the keyboard and mouse presses into instructions and performs actions such as loading and saving files. Interactive operating systems are used when users need immediate feedback. Real-time operating systems are used when systems always need instant results (such as a control system on a plane).
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23. The two most important parts of the inside of the computer are the CPU and memory. The CPU (Central Processing Unit) is the “brain” of the computer where the computer works things out. The memory is where the computer “remembers” things for the CPU.
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30. Memory size So an iPod with 60GB of storage space has: 60 x 1024 x 1024 x 1024 x 8 = 515,396,075,520 bits! (over 515 billion bits…)
48. How many bits do you think it will take to store this graphic? The grid is 8 x 8 pixels, so it will take 64 bits to store. 64 bits is 8 bytes.
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56. Tape Drive Tape drives take large plastic tapes which store data in binary using magnetic ‘spots’ to encode the data They have a large capacity, and fast data transfer rates Tapes wear over time so need to be stored in suitable environment and are suited to medium and short term storage DAT tapes can hold up to 200 Gigabytes so are used for backup
71. Mouse A mouse lets you control the pointer on screen, and click to select icons. Mice usually have 2 buttons and sometimes a scroll wheel.
72. Trackball A trackball is similar to a mouse except the ball is on top. The trackball does not move around the desk like a mouse. They are useful when a user does not have desk space to move a mouse, and for people who find it hard to use their arms to move objects around.
73. Trackpad A trackpad is a small pad that senses the movement of your finger. It lets you control the mouse by moving your finger across the pad. You can click by tapping the trackpad.
74. Graphics Tablet Graphics Tablet A flat plastic panel with electronic sensors below the surface detect the movements of a pointing device. Very accurate – used by graphic artists / designers / Computer Aided Design (CAD)
75. Touch screen Touch Sensitive Screen Simple to operate Useful for public information systems Tiring to use after a while Not precise
76. keyboard Keyboard Input text and numbers Function keys QUERTY layout Very common, nearly every computer has one
77. Scanner Scanner Input drawing, photographs from paper. Light beam passes over page and a sensor detects the reflection Optical Character Recognition (OCR) software can recognise writing
79. Digital Cameras 2 Digital Cameras Captures light coming through the lens and stores a digital image Allows instant review of picture taken Delete photos you don’t like Takes a memory card – can be various capacities.
80. Digital cameras 3 Choosing a camera Look at the accuracy (resolution) – measured in Megapixels. 5 Mpx is enough Does it have a zoom lens? Digital zoom is worthless because it produces poor pictures What capacity is the memory card?
81. Video camera Digital Video cameras Same principle as still digital cameras Need a large storage capacity – video takes up a lot of space (15 frames per second) Some have a small LCD screen to view your video Features: zoom, focus, lighting, infrared recording, onboard editing
82. Webcams Webcams Same principle as digital video camera Connected directly to computer via USB Can put a webcam in a website Useful for video calls via MSN Messenger
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84. Inkjet printer Inkjet Printer Sprays ink onto the paper Printout quality is high Cheap to buy, can be expensive to maintain (expensive ink) Slower than Laser Printer
85. Plotter Plotter Uses inkjet technology to produce large, accurate and complex drawings Used by architects / designers Quicker than drawing by hand
86. Monitor Monitor Screen used to display computer output Different monitors have different resolutions The higher the resolution, the more detailed the picture will be High resolution needed for CAD and art work
87. TFT / LCD LCD / TFT Displays LCD = Liquid Crystal Display These screens have the following advantages: Flat, light, needing little power, can be run from a laptop battery The one disadvantage is that sometimes they are not bright enough and can cause eye strain
88. TFT / LCD 2 LCD / TFT Displays TFT = Thin Film Transistor Same advantages as LCD. Uses a tiny transistor to form each pixel Can update the image very quickly, allowing it to handle complex graphics and animation which LCD displays cannot
89. Speakers Computer Speakers Produce sound from the computer Allow you to do multimedia presentations, video-conferencing, games, music etc Computer speaker systems vary in quality and number of speakers depending on output wattage (RMS) or surround sound capability etc