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| 46)Who is called father of computer? | |||
| Sir Isaac Newton | Von Neumann | ||
| Charles Babbage | John Napier | ||
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| 47)Operating System is an interface between | |||
| user and program | user and hardware | ||
| both of the above | none of these | ||
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| 48)Which one of the following is an operating system? | |||
| Msoffice | Coral Draw | ||
| Linux | Java | ||
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| 49)Which one of the following is Primary memory? | |||
| RAM | Pen Drive | ||
| DVD | Floppy | ||
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| 50)Which one of the following is an input device? | |||
| Printer | Scanner | ||
| Monitor | Plotter | ||
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| 51)Which one of the following is a spreadsheet? | |||
| Msword | Photoshop | ||
| Java | Msexcel | ||
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| 52)Full form of RAM is | |||
| Read Access Memory | Read All Memory | ||
| Random Access Memory | Randomized Access memory | ||
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| 53)BIOS is | |||
| programmed by user | programmed by manufacturer | ||
| not programmed at all | none of these | ||
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| 54)Computer is an | |||
| electrical machine | electromagnetic machine | ||
| mechanical machine | electronic machine | ||
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| 55)Base of binary number system is | |||
| 0 | 1 | ||
| 2 | 4 | ||
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| 56)Base of octal number system is | |||
| 2 | 4 | ||
| 6 | 8 | ||
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| 57)Base of hexadecimal number system is | |||
| 10 | 12 | ||
| 14 | 16 | ||
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| 58)Binary equivalent of 6(decimal system) is | |||
| 110 | 101 | ||
| 100 | 011 | ||
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| 59)Hexadecimal of 10 (decimal system) is | |||
| B | A | ||
| 1010 | C | ||
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| 60)Which one of the following is volatile memory? | |||
| ROM | Pen drive | ||
| RAM | none of these | ||
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