b.Petrol is an output device for a vehicle running on the road. Describe the purposes of scanners and readers and list some types of scanners and readers in use today. Instance Number - The specific occurrence of the Object Class in the target device. It is a key component of a computer and the hard drive is one of its examples. For example, a device with 16 Input Points may be implemented with one Input Object with 16 instances, one for. Below are some of the previous important questions asked in the public examinations. Both input and output devices can be built into a computing device, like the screen on a laptop or smart phone or they can be separate, like a mouse or external speakers plugged into a desktop computer in an office. The MCQ Questions for Class 2 Computer with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 2 by CBSE, NCERT and KVS. Found inside â Computer defined in legalese : ' An electronic, magnetic, optical, hydraulic, organic, or other high - speed data processing device or system that performs logic, arithmetic, or memory functions and includes all input, output . Multiple Choice Questions are an important part of exams for Grade 2 Computer and if practiced properly.

Software refers to a set of instructions to perform a specific task written using a. Devices Input Devices Keyboard Mouse Scanner Joystick Microphone Digital. Logic circuits, micro controller, SBC, PLC etc Try Next Activity. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. 1.4.2 Input Devices Input devices are hardware devices that allow data to be entered into a computer. Clipping is a handy way to collect important slides you want to go back to later. Topic - Computer Input and Output DevicesHello Kids,In this video, we are going to learn about computer Input and output Device and their uses.

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