computer hardware and software pdf

They This is plastic tape, usually made of Mylar that is coated with iron oxide, thereby enabling the introduction (writing); retention (memory) and reading of magnetically recorded information. It contains a stack of metal platters, each coated with iron oxide, that spin on a spindle and the entire unit is encased in a sealed chamber. When any mathematical calculation or decision/logic needs to be carried out, the instruction is passed on to the ALU. endobj It is a data storage device that includes flash memory with an integrated USB interface. ?J[ۭ���$.�оm�"���y�׏��H����Կ��蟿޿v����jլ��{ �Ĭ�S�� �u��&��w�n��r�k���Z5q=]t��Yk���^ۺyM�]&}%J������x`��#㇆U(�O1 _0���oٔشI���hذ^�Gn�ؾ>:�E�, > There are different types of RAM available. It is a non-removable enclosed magnetic disk included in most PCs. Every part of your computer is the result of years of research and development. A ROM, stores such instructions that are required to start a computer. Computers can read CD-ROMs, but cannot write to CD-ROMs which are not writable or erasable. x���1  �Om O� ��� If a peripheral device is disconnected, the computer will still be able to work; only functions performed by this peripheral device will not be available. Academia.edu is a platform for academics to share research papers. Parts that were once hand made at a cost of thousands of man-hours are now mass produced for a fraction of a rupee. stream This operation is referred to as bootstrap. 1 0 obj <> 6 0 obj Monitors, commonly called as Visual Display Unit (VDU), are the main output device of a computer. endobj �p� The computer is a two part system consisting of a body that is the hardware and a mind that is the software. The main hardware and software components of a computer. Volatile means that the data stored in memory is lost when we switch off the computer or if there is a power failure. One of the oft seen topics in Computers is Hardware. Each component has a specific function. Hardware is any part of the computer that you can touch. Read more Computer notes! Here are the most used types of peripheral devices: The most common and very popular input device which helps in inputting data to the computer. endobj RAM is volatile. �(8t��ABO+A�Ի�+Q�{^ ����rp���-�*��H�j��?�׬L�L�N���a#De�1�5�������-����B������ۈj�{����&|! It consists of keys that are capable of inputting alphabets, numbers and special characters. stream It forms images from tiny dots, called pixels that are arranged in a rectangular form. Generally, system software consists of an operating endobj x���1  �Om O� ��� �D�4qL��o�Y���o��U8e���=� ə������L.Q��߸��p�̚5"�K|t����vbc{֨^-�%�����7. It is read/write memory which stores data until the machine is working. The seeming miles of wires that get tangled on your desk, the CD drive, the monitor are all hardware. Windows is a software, so is any other program that runs on your computer. <> <> UPPSC APO Admit Card Released – Get Direct Link to Download Interview Call Letter Here! endstream These are used to hold the data (binary information) that are being processed by the current instruction. Testbook GATE FEST 2021 – Check your Knowledge & Win! Printer is an output device, which is used to print information on paper. stream 12 0 obj In contrast to software, hardware is a physical entity. The best use of tape storage is for data that you do not use very often. �D�4qL��o�Y���o��U8e���=� ə������L.Q��߸��p�̚5"�K|t����vbc{֨^-�%�����7. Charles Petzold August 16, 2000 Computer parts can be divided into two groups, hardware and software. The motherboard is made up of even more parts that power and control the computer. 2 0 obj <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 552 732] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> <> Floppy diskettes, hard disk, tapes and optical disks come under the category of external storage devices or ancillary storage devices. }א_m��?�a�iF�#�&��i�dze}ʟ9-�Y�ʾ�p�u>A���L�)J���>Ӏ��s�{ A��-�SG>�=TT�����.o��������+$*��F���=�i*���_��a1����|��Y�8E1 A scanner allows you to scan printed material and convert it into a file format that may be used within the PC. 3 0 obj Parts that were once hand made at a cost of thousands of man-hours are now mass produced for a fraction of a rupee. <> James Tam What Is Hardware? <> endobj Floppy disks are primarily used on PCs. <> x�읇E��sz�'�K@@�NB 5�P�AA@:$���4i�w�"-�*�@�`("�U�wg��ݏ���N������~7���k^�B�;;��S>���LH�@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ �@ ��ܹsׯ9xP�ٳ�y�உF��ٵX�7^~��?��OO���@�}([�t�u�ㆌ7�a�zU�Tz饗� Download as PDF for revision later. The ALU thinks in bits (i.e. stream a computer. The sharpness of the image depends upon the number of pixels. >dzL+u| OH�?�dN�Z5қ5�_���ah�R���g_:s:�)���r�x��? The present computers are much advanced in … Despite the depth, I tried to make the trip as comfortable as possible. Businesses and employees have access to applications and IT infrastructure anywhere at any time using an Internet-connected device. endobj /8� ����'���]~��n�^������+���/ƍ�w;�uk��ϟ��� As soon as the machine is switched off, data is erased. <> Computer Awareness is tested in almost every exam. Hardware is any part of the computer that you can touch. It can be used to create presentation-charts, graphics, tables and high quality technical drawings. RITES Recruitment 2020 – Last Date to Apply Online Extended! %PDF-1.5 A USB flash drive, also commonly known as a USB drive, USB stick and a variety of other names. Think of the ALU as the logical part of the brain. Mouse is the most popular pointing device and cursor-control device having a small palm size box with a round ball at its base which senses the movement of mouse and sends corresponding signals to CPU when the mouse buttons are pressed. binary digits – ‘0’s and ‘1’s.). require you to have Basic Computer Knowledge. A computer's hardware is comprised of many different parts, but perhaps the most important of these is the motherboard. An optical disc drive (ODD) is a disk drive that uses laser light or electromagnetic waves for reading or writing data to or from optical discs (normally CD-ROM). � ��__ I�T9@�G�K�.Y���O�ț�¸�K�x3WΜO��DG���������s�q�+����+O����?L�MvY��[dp���p��>(S���oW��Kx���̙�P=�ꫯ�/ Peripheral devices are devices connected to the computer externally. Information on a floppy disk is recorded in the magnetized states of particles of iron oxides evenly placed upon concentric circles known as tracks. India Post Result 2020 Out – Stepwise Process to Download GDS Result! It is mainly used in Computer Aided Designing (CAD) and playing computer games. x��� � ��nH@ �'v 9 0 obj endobj 6 0 obj But without little drawings of trains carrying a cargo of zeros and ones. endobj It consists of mainly two types of memories: RAM is the internal memory of the CPU for storing data, program and program result. qz� � r���k��U���y��%��QA�c�g�ܞ�b��6�-+U Inside a Computer – Hardware and Software Tejas, Jyoti and their friends along with Moz are examining an open CPU. 9 0 obj <>>> endstream >dzL+u| OH�?�dN�Z5қ5�_���ah�R���g_:s:�)���r�x��? <> 12 0 obj endobj qz� � r���k��U���y��%��QA�c�g�ܞ�b��6�-+U IT Infrastructure: Computer Software Figure 4-6 In cloud computing, hardware and software capabilities are provided as services over the Internet. Plotters were used in applications such as computer-aided design, though they have generally been replaced with wide-format conventional printers. Liked these Basic Computer Hardware Notes? endstream o�����N��;��lo��!N ��U '�陪����ԕe��,|EeϪ��A�~�A��"�ߞvhټz?Z���2��:9���>�� �3�%촟;�~6����-�l ��H�g��I�*��ə�R��.6�Eꨏ�OP�1� �E;���vl��m��լ�%C ���"�x�ӎ�1P9^��~�{i{�Z�\Q So, while Code goes fairly deep into the workings of the computer (few other books show how computer processors actually work, for example), the pace is fairly relaxed.

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