What is the Computer hardware you know?

Hardware is a comprehensive term for all of the physical parts of a computer, as distinguished from the data it contains or operates on, and software that provides instructions for the hardware to accomplish tasks. The boundary between hardware and software is connected.

credit: third party image reference

A computer contains the following parts

Motherboard: which holds the CPU, main memory and other parts, and had slots for expansion cards.
Power supply: A case that holds a transformer, voltage control and fan.
Storage controllers, of IDE, SCSI or other type, that control hard disk, floppy disk, CD-ROM and other drivers, the controllers sit directly on the motherboard (on-board) or on expansion cards.

credit: third party image reference

Graphics controller that produce the output for the monitor
Interface controllers (parallel, serial, USB, Fire wire) to connect the computer to external peripheral devices such as printers or scanners.

Comments

What are the number system in a computer.

What are the number system in a computer. Number system There is base or radix that used distinct symbols for digit. Numbers are represented by a string digits symbols. For example Binary 0,1 and base is 2. Decimal 0, 1, 2...9 and is 10. Octal 0,1,2...7 and base is 8. Hexadecimal 0, 1, 2...9, A, B, C, D, E, F and base is 16. credit: third party image reference Binary Number System It is a number system which base or radix is only 2. As its name implies it supports only two numbers namely 0 and 1. Any value in this number system is represented like this (1000)2. Here base 2 shows that it is a binary numbers system. credit: third party image reference Decimal Number System The number system that we use in our day-to-day life is the decimal number system. Decimal number system has base 10 as it uses 10 digits from 0 to 9. In the decimal number system, the successive positions to the left of the decimal point represent units, tens, hundreds, thousands and so on. Each position represents a

What is the Disk operating system on a computer?

credit: third party image reference Introduction DOS is an Operating system. It works as an interpreter. We give English like commands and it converts it into machine language and after processing the information, returns the results to you in English. MS-DOS consists of four essential programs and set additional utilities. Components of MS-DOS consist of essentials programs and set of additional utilities. For main programs are boot Record, IO.SYS, and COMMAND.COM. credit: third party image reference Internal Commands Their commands are also called memory-resident and these are automatically loaded into the computer's memory during the booting process. They are actually included in the command.com file. So these commands are executable immediately after getting the dos prompt. External Commands These Commands are called DIsk-Resident Commands. These Commands are meant for a special purpose. These are found in separate files on Hard Disk or Floppy Disk so that they don't typica

What is the Operating Systems in computer?

An operating system plays an important role in the use Computer. It prepares a bare Machine usable for the user. In other words an operating system works as an interface between Computer and user. The operating system enables the user to use the system resources and access several other programs effectively. Windows operating system offer icons, graphics based interface to the users and they can mouse to perform a number of operations. credit: third party image reference Types of Operating Systems Single User, Single task: These types of Operating System manage the computer so that one user can effectively do one thing at a time. Single User Multi-tasking: Microsoft’s Windows and Apple’s Mac OS are both example of operating systems that will let a single user several programs in operation at the same time. credit: third party image reference Multi User, Multi-task: This allows two more users to run programs at the same time. Some operating systems permit hundreds or even thousands

Technical2a

Search This Blog