types of computer hardware pdf

The hardware of the computer system includes monitor, CPU, keyboard, mouse, printer, sound system, RAM, hard disk and many more. Its principal characteristics are: § It responds to a specific set of instructions in a well-defined manner. Notebook: - These computers are as powerful as desktop but size of these computers are comparatively smaller than laptop and desktop. Academia.edu is a platform for academics to share research papers. The ALU thinks in bits (i.e. There are different types of RAM available. It controls the operation of all parts of computer. To learn more, this list contains 10 types of computer hardware that we will discuss in depth: 1. The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs operations of the processor. Parts that were once hand made at a cost of thousands of man-hours are now mass produced for a fraction of a rupee. Delhi Police Constable Exam Analysis Shift 1 27 Nov 2020 Out – Get First Shift Analysis Here! It is a data storage device that includes flash memory with an integrated USB interface. As soon as the machine is switched off, data is erased. Liked these Basic Computer Hardware Notes? However, the Control Unit doesn’t process any data. Laptop: - this computer is similar to a desktop computers but the size is smaller. § It can quickly store and retrieve large amounts of data. 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. Volatile means that the data stored in memory is lost when we switch off the computer or if there is a power failure. It consists of keys that are capable of inputting alphabets, numbers and special characters. PCs were first known as microcomputers because they were complete computers but built on a smaller scale than the huge systems in use by most businesses. ����,�f���%���W�r��^>�E�Z��X�722OB���D�h��D���\�,]9�}�����F -W�@�=H���2���%y"S���^�z�i�Yt�)�i�k�4�e���J���� %�Sa���w�0&���B��()� Sign In, Create Your Free Account to Continue Reading, UPPSC BEO Admit Card 2020 Released – Direct Link To Download @uppsc.up.nic.in. Different Types Of Computer Hardware. A scanner allows you to scan printed material and convert it into a file format that may be used within the PC. Read more Computer notes! Computer hardware is the collection of physical elements that constitute a computer system. Any part that we can see or touch is the hard ware. They weigh 2 to 3 kg. There are two types of plotter. § It can quickly store and retrieve large amounts of data. It is a device used to move cursor position on a monitor screen. This type of memory is non-volatile. Computer Awareness is tested in almost every exam. Testbook GATE FEST 2021 – Check your Knowledge & Win! They are not compulsory for the functioning of the computer but are useful for expanding the computer’s memory. Bihar Police Driver Constable Test Series. This new class of computers comprises multiprocessors, multicomputers, and vector supercomputers. Examples of hardware in a computer are the Processor, Memory Devices, Monitor, Printer, Keyboard, Mouse, and the Central Processing Unit. Here are the different types of computer security. Every part of your computer is the result of years of research and development. Hardware … Desktop personal computers have a monitor, a keyboard, a mouse, and a computer case.The computer case holds the motherboard, fixed or removable disk drives for data storage, the power supply, and may contain other peripheral devices such as modems or network interfaces. Most notebook and desktop computers feature this computer hardware. 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. WBPSC SI Admit Card – Download Interview Call Letter @pscwbapplication.in. While an iMac is definitely a PC, most people relate the acronym to computers that run on the Windows operating system instead. These are used to hold the data (binary information) that are being processed by the current instruction. It tells the computer’s memory, arithmetic logic unit and input and output devices how to respond to a program’s instructions. Computers can read CD-ROMs, but cannot write to CD-ROMs which are not writable or erasable. expected use or capability of the computer. A ROM, stores such instructions that are required to start a computer. Parts that were once hand made at a cost of thousands of man-hours are now mass produced for a fraction of a rupee. The memory from which we can only read but cannot write on it. A CD-ROM is a pre-pressed optical compact disc which contains data. Current Affairs Quiz November 2020 – Attempt Quiz to Strengthen your Exam Prep! Monitors, commonly called as Visual Display Unit (VDU), are the main output device of a computer. computers c 2018 by David W. GerbingComputer Components: Other Components of a Computer 20 External Connections: USB Generic connector I USB : Universal Serial Bus, a standard for connecting external devices to a computer such as a mouse or a storage device I USB allows hot swapping , which means that it can be connected and disconnected Software is a set of electronic instructions consisting of complex codes (Prog… Some exams like SBI PO, SBI Clerk, IBPS PO, IBPS Clerk, SSC CGL, Railways RRB etc. This operation is referred to as bootstrap. Information on a floppy disk is recorded in the magnetized states of particles of iron oxides evenly placed upon concentric circles known as tracks. Do you know the different types of computers? It can be used to create presentation-charts, graphics, tables and high quality technical drawings. The seeming miles of wires that get tangled on your desk, the CD drive, the monitor are all hardware. § It can execute a prerecorded list of instructions (a program). 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. Basic computer hardware consists of the following parts: The CPU is considered the brain of the computer. UPPSC APO Admit Card Released – Get Direct Link to Download Interview Call Letter Here! expected use or capability of the computer. A USB flash drive, also commonly known as a USB drive, USB stick and a variety of other names. It performs all types of data processing operations, stores data, intermediate results and instructions (program). These types of computer systems are discussed in detail in Section 3. It consists of mainly two types of memories: RAM is the internal memory of the CPU for storing data, program and program result. Hardware is used for taking input data from the user, store the data and display the output and execute the commands given by an individual. Generally, the larger the system, the greater is its processing speed, storage ... Computer hardware includes all the electrical, mechanical, and the electronic parts of a computer. The different types of ROM are given below. It is made up of a group of memory locations built directly into the CPU called registers. It forms images from tiny dots, called pixels that are arranged in a rectangular form. A CPU has 3 components as listed below. One of the oft seen topics in Computers is Hardware. The personal computer is one of the most common types of computer due to its versatility and relatively low price. Contrary to sequential computers that use a single CPU to solve a problem, parallel computer systems employ many CPUs in appropriately connected structures. Floppy diskettes, hard disk, tapes and optical disks come under the category of external storage devices or ancillary storage devices. The weight of laptop is around 3 to 5 kg. 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). A plotter is used to create high-quality visuals on paper. Computers types I, Computer: Definition A computer is a machine that can be programmed to manipulate symbols. Govt Jobs Today: Check the Latest Information about the Various Govt Jobs Released today! Floppy disks are primarily used on PCs. The information is stored permanently in such memories during manufacture. Computers types I, Computer: Definition A computer is a machine that can be programmed to manipulate symbols. Software is a set of electronic instructions consisting of complex codes (Programs) that make the computer perform tasks. Peripheral devices are devices connected to the computer externally. Computer Software: Software is a collection of instructions, procedures, documentation that performs different tasks on a computer system. You can also navigate using the keyboard and perform shortcut functions. § It can execute a prerecorded list of instructions (a program). !��%�@��A>��\�`Z���5&��E=kTH�'�Beאg �::,�E��ZdP~66�C8*:���q@1���CM��W��Op��k�v��GM�qj������ ^�Ɛ�#����� ̞*���tE�!�.`;dU�/eX����%�~���v��N�5Kd�. The sharpness of the image depends upon the number of pixels. 40t������z�� They are more costly than laptop. It is a non-removable enclosed magnetic disk included in most PCs.