Multiple Choice Question (MCQ) 1. A computer is an ______________ device. a. Electronic b. Electrical c. Mechanical d. None of the above 2.CPU stands for ___________________ a. Central Processor Unit b. Central Processing Unit c. Control Processing Unit d. None of the above 3. CPU is called _____________ of computer. a. Heart b. Brain c. Eyes d. None of the above 4.The ICs are made up of _______________ materials. a. Conductor b. Insulator c. Resistor d. Semiconductor 5.ALU stands for __________ a. Arithmetic Logic Unit b. Arithmetic Logic Universe c. Arithmetic Logic gates Unit d. None of the above 6.Devices which feed data into the computer are called ___________ a. Output devices b. Storage devices c. Input devices d. None of the above 7.Which keyboard is available to help the visually impaired for entering data into a computer? a. Digital Keyboard b. Analog Keyboard c. Braille Keyboard d. None of the above 8. Who invented a mechanical calculator known as Pascal calculator? a. B
All computer course for class 9th to 12th with proper practical and theory .........