| Sub: Computer | First Class Test 2078 | Full Marks: 25 |
| Class: XI | SET - A | Time: 35 Minutes |
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Q1. Select the best answer: [5x1=5] (a) Which of the following is fastest memory? (i) Cache Memory (ii) RAM (iii) ROM (iv) DVD (b) Which of the following is input device? (i) Keyboard (ii) MICR (iii)BCR (iv) All of above (c) Which of the following is optical memory? (i) Cache Memory (ii) RAM (iii) ROM (iv) DVD (d) The central processing unit is located in ______. (i) Hard Disk (ii) System Unit (iii) Memory Unit (iv) Monitor (e) Which of the following is equal to a giga byte? (i) 1024 bytes (ii) 512 GB (iii) 1024 MB (iv) 1024 Bits Q2. Draw block diagram of computer system and explain control unit. [5] OR Differentiate between RAM and ROM. [5] Q3. Explain computer bus with its types. [5]
| Sub: Computer | First Class Test 2078 | Full Marks: 25 |
| Class: XI | SET - B | Time: 35 Minutes |
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Q1. Select the best answer: [5x1=5] (a) How is the data stored on the diskette? (i) Ink (ii) Laser bubbles (iii) Magnetism (iv) Circuits (b) Which of the following is output device? (i) Mouse (ii) MICR (iii) Plotter (iv) OCR (c) Which of the following is not considered hardware? (i) Operating System (ii) CPU (iii) Keyboard (iv) Hard disk (d) Which of the following is the smallest visual elements on a video monitor? (i) Character (ii) Pixel (iii) Byte (iv) Bits (e) Which of the following is equal to a megabyte? (i) 1024 bytes (ii) 512 KB (iii) 1024 KB (iv) 1024 Bits Q2. Draw block diagram of computer system and explain Arithmetic Logic Unit. [5] OR Differentiate between primary and secondary memory. [5] Q3. Define super computer and write its uses in real life situation. [5]