Once the CPU has carried out an instruction, it needs the result to be stored.
A hard disk can store huge amount of data in a most convenient way. When the application program is in RAM, the operating system executive program gives control of the computer system to the applications programs. Any peripheral device that converts the stored binary coded datainto convenient external forms as test and pictures are known asOutput device.
What are its functions. In a computer system, there are three types of procedures: Some of the most popularly used Output devices arefollowing:.
DI is used for indexed, based indexed and register indirect addressing, as well as a destination data address in string manipulation instructions. This is a type 3 interrupt.
Data provided by the input device, and theresult of that processed data is also stored in the memory nit. A file is collection of Bytes. Flags is a bit register containing 9 1-bit flags: In addition, ROM contains a bootstrap loader program that is used to start a computer.
Introduction to Computer A computer can process data, pictures, sound and graphics. It tells other parts of the computer system what to do. Explain the functional units of a basic computer with a neat diagram. Where he writes how-to guides around Computer fundamentalcomputer software, Computer programming, and web apps.
The Central Processing Unit CPU takes data and instructions from the storage unit and makes all sorts of calculations based on the instructions given and the type of data provided. All digital computers use the binary system, i. Each interrupt vector is a bit pointer in format segment: Once the CPU has carried out an instruction, it needs the result to be stored.
Keyboard is the one of the most commonly used input device. This is not possible, we can only use text. Supply the converted data to the computer system for further processing. Input devices convert data from anyconvenient external format into binary codes that a computer canstore and manipulate internally.
BL in this case contains the low-order byte of the word, and BH contains the high-order byte. The data stored in it is permanent.
Depending on the design of the system, several types of buses may be present. All the input devices perform the following functions. A character occupies 1 byte space. All the input devices perform the following functions. In order to store the data permanently, the data has to be transferred to the secondary memory.
The typical operations that take place in the processing of instruction are part of the instruction cycle or execution cycle.
A typical microcomputer has a keyboard for input and user diskettes and floppy disk drives to enter data and programs and to receive processed outputs.
Stores and provides very fast. A character occupies 1 byte space. This copy is loaded on to the main memory when the computer is turned on, and it stays there as long as the computer is on. Functions of an operating system: The storage unit performs the following major functions: This is the permanent memory.
As a result the number of diskettes required, increases, dramatically second, the largest file that can be accessed at one time is limited to the capacity of the main memory and the storage medium. This main memory is like a scratch pad.
Whenever the results are saved, again they get stored in the secondary memory. It is just like brain that takes all major decisions, makes all sorts of calculations and directs different parts of the computer functions by activating and controlling the operations.
The stack can be located at odd memory addresses, but it is not recommended for performance reasons see "Data Memory" above.
Draw a neat and labeled diagram of computer Also explain the functioning of each Unit? Feb 27, · Organization of a Computer A computer is a fast and accurate device, which can accept data, store data, process them and give, desired results as output.
The computer is organized into four units as shown in the following diagram. Feb 27, · Organization of a Computer A computer is a fast and accurate device, which can accept data, store data, process them and give, desired results as output.
The computer is organized into four units as shown in the following diagram. Explain the operation of a micro programmed control unit with the help of a diagram. 8m Jun THE MICRO-PROGRAMMED CONTROL The logic of the control unit is specified by a micro-program.
Explain the functional units of a basic computer with a neat diagram? Acomputer is a fast and accurate device, which can accept data,store data, processthem and give, desired results as output.
Computer. Draw the block diagram of computer with a neat sketch and explain. Explain instruction cycle state diagram with interrupts. 2). Explain. Define T-State, Fetch cycle, Machine Cycle, Instruction cycle & discuss the Define interfacing&Describe the pin diagram of chip and explain.Draw a neat diagram of the organization of computer and explain about each unit