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Showing posts from April, 2019

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What is a Composite Input Device? Types and Examples

What is a Composite Input Device? Types and Examples Direct Answer: A composite input device is a hardware peripheral that combines multiple distinct input mechanisms (such as buttons, joysticks, touchpads, and motion sensors) into a single physical unit. Examples include modern gaming controllers, virtual reality (VR) handhelds, and interactive graphics tablets. What is a Composite Input Device in Computer Architecture? Composite input devices combine multiple peripherals like analog sticks, triggers, and motion sensors into a single unified hardware unit. Unlike traditional single-purpose peripherals (like a simple mouse or standalone keyboard), a composite device merges two or more input capabilities into one interface. This allows users to send multiple types of data commands—such as spatial coordinates, tactile keypresses, and rotational movement—simultaneously to the operating system using a single USB port or wireless connection. Key Features of Composite Input Devices...
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What is compiler? Give the difference between a compiler and an interpreter?

What is a compiler? Give the difference between a compiler and an interpreter? Compiler: i) A program which translates a high level language program into a machine level language program is known as a compiler. ii) Compiler goes through the entire program and then translates the entire program into the machine code. (see fig I.) fig I Compiler compiles the program into the machine code Image reference of the compiler, program and the machine codes In the image the left side box entity is a compiler. The compiler shows the program you have written in the text editor or program editor compiles the whole program. The dotted line shown from the left side entity “the compiler” through the program just represents the compilation of the whole program. The dotted line also shows the program change into the machine code after the compiler compiles the whole program. These machine codes go to the ALU in the CPU that processes the codes and gives the instruction to the output units to perfor...
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What is multimedia? What are its components? How can multimedia systems be helpful in education and marketing?

What is multimedia? What are its components? How can multimedia systems be helpful in education and marketing? What is Multimedia: There are some points on the multimedia following below: i) Multimedia is an advance technology that facilitates integration of text, data, image, graphics, audio, video animation in digital form. ii) Multimedia provides new ways to enhance the delivery of information and impacts on the user. iii) Multimedia is to be display the information in pictures and sound forms also it does not include plain text exclusively. iv) The displayed information are captured digitized by input device to get the information ready for manipulation by the computer. v) Multimedia is the new trend in the field of computer science because it combines the different media in one computer application that is known as multimedia. vi) It enable the computer is to be used as an entertainment and educational information tools besides just a business tools. What a...
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The ROM contains the essential information and the Hard Disk contains all relevant programs. What purpose does the RAM serve?

Q. The ROM contains the essential information and the Hard Disk contains all relevant programs. What purpose does the RAM serve? ROM: i) ROM (Read Only Memory) is a memory like a permanent type. ii) The contents of the ROM are not lost when the computer system is switched off. iii) The user cannot be written directly to the ROM as compare to hard disk. iv) ROM stores permanent program. The permanent program is requires for helping to work for the computer’s executable programs by the user’s developed program. v)   ROM stores the functions that as a permanent program. For example: - sine, cosine, logarithm, square root, exponential, code conversion table etc. vi)   ROM examples are Toshiba Mask ROM, 534000 T.C.S. and 512 x 8 bits. Hard Disk: i) Hard Disk is the permanent storage device. ii) It stores the executable program file that ready to execute and have many extension of the file such as (.e x e). iii) The users are able to write the data into the hard d...
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Discuss the role played by the various components of the CPU

Q Discuss the roles played by the various components of CPU? The CPU is the brain of the computer system. All major calculations, manipulations and comparisons are made by the CPU. The CPU is also responsible for activating and controlling the operations performed by all other units of the computer system. The major components of the CPU are: a) Arithmetic Logic Unit (A.L.U.) b) Control Unit (CU) c) Primary Memory Arithmetic Logic Unit (A.L.U.): What is ALU Arithmetic logic Unit? ALU is a part of the CPU. It is a part to calculate the logical term in the CPU where the term refers to an operation of logical type. It also calculates the arithmetic terms in the CPU where the term refers to an operation of arithmetic type. It is used to direct access through the processor controller. The ALU connected to the input and output peripheral system through the bus with the different types of bus. Such as control bus, data bus etc. ALU is a part of the CPU that can calculate the input...
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