§ It can quickly store and retrieve large amounts of data. Laptop: - this computer is similar to a desktop computers but the size is smaller. Notebook: - These computers are as powerful as desktop but size of these computers are comparatively smaller than laptop and desktop. H��W�r�6����� ��XN&���Drg��M��TIJ�뻸�K���X��g��~�]�q�!4_`���������ߟ/�p���%C�����}r�0��������n2��f_�"����a�6&�XdN\�#W! expected use or capability of the computer. SECTION 1: TYPES AND COMPONENTS OF COMPUTER SYSTEMS IGCSE ICT-0417@ VKS-Learning Hub Page 4 MAIN COMPONENTS OF COMPUTER SYSTEMS A computer is an electronic device, operating under the control of instructions stored in its own memory. • For example, weather forecasting requires a supercomputer. There are, however, major similarities regardless of the brand (e.g., Dell, Apple, Acer, HP, Lenovo) of the computer. At the most basic level, a computer is a device consisting of three pieces: Laptop 3. § It can execute a prerecorded list of instructions (a program). computer systems employ many CPUs in appropriately connected structures. In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data. Anatomy of a Computer As with most products, computers are designed in a variety of ways. While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. d'��H׎�&�)M�N�m�-]� (�����0�€��"N�ܷb=�bm-�s �� �����>��M'��;Ap�j�F�3 y��P#�NՖ$ j��� $�x��)��`f���Q���(�i�I�`%|�%%^�7z� @۞2�@e��P�د,��|����}>�w��5R�Z��U-�hZ��w�}[)2n%�q+q*p�B������y�aHߥ�D��6�wA���'j�H}�����Ĥ׆Y�N�="П���l�P$v� E������(�AP6́���x��� id�u�eUTU�;�7�{�k1?m�k����y�}�q�]��TI3m�(�Ѷ�sTڅ�Z�͡��P:���J�� `f�Uj�X��d�"e��`"�W�M��&��A����}��� �WWc�ݟY��2ۚ�*���l�X�PCt�\���i)���l ��t>����j��y���`��Q#v ׂ���Pr�����gÄc�}�i����ܶ!�G>�0u�O�}dFL�͛�0�(Z`,K�L�V�f��ɇi���,J������k�+i�9��'��~j��0g�G���NL=m536�3�]R���@�����ǫ��)E��Jj��ZB���&� 止��b�\0G��E��"��d����dHb�g��o7�>F� 4M&����y�����$@_!-27���6[B�R>{���N�{x%|�J�� • The system unit of the desktop personal computer can lie flat on the desk or table. Desktop PCs 2. d0j��v�{�w�+^Ac���=y��6�}��S�W�hx����.��4�R endstream endobj 11 0 obj 1854 endobj 4 0 obj << /Type /Page /Parent 5 0 R /Resources << /Font << /F0 6 0 R /F1 8 0 R /F2 12 0 R >> /ProcSet 2 0 R >> /Contents 10 0 R >> endobj 15 0 obj << /Length 16 0 R /Filter /FlateDecode >> stream These types of computer systems are discussed in detail in Section 3. Computers types I, Computer: Definition A computer is a machine that can be programmed to manipulate symbols. Palmtop 4. Types of Micro Computers 1. Super-computers •The fastest type of computer. Computers can be generally classified by size and power as follows, though there is Considerable overlap: • Personal computer: A small, single-user computer based on a microprocessor. The weight of laptop is around 3 to 5 kg. They weigh 2 to 3 kg. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. Its principal characteristics are: § It responds to a specific set of instructions in a well-defined manner. 6��Ӷr�Z�O3J{"0���m6�P;��͌��(f '���t�]ժq����'��viބ��\��j�7{l���ـ�y �����T@��ܱ(v�Z�E�a�s;�q�q�� lw_�5��b��4X�{Ip�S=Gɛ= �h�������JW^9p�S�rv&n� �����&���/��c�[Oi�2�MVŶ>��<9�}C���H�u�IF\��t:Y�m��p��\�dó�Ex�$y���cš`�2IU�&Fi��X��

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