कर्रेंट अफेयर्स: 21-22-2023

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सामान्य विज्ञान और प्रौद्योगिकी

भारतीय संविधान
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Computer Fundamentals: Understanding Hardware, Software, Networks, and More

A computer is a machine that uses electronics to input, process, store, and output data. Data is information such as numbers, words, and lists. Input of data means to read information from a keyboard, a storage device like a hard drive, or a sensor. The computer processes or changes the data by following the instructions in software programs. A computer program is a list of instructions the computer has to perform. Programs usually perform mathematical calculations, modify data, or move it around. The data is then saved on a storage device, shown on a display, or sent to another computer. Computers can be connected together to form a network such as the internet, allowing the computers to communicate with each other.

Que 1: Which of the following windows version support 64-bit processor?
[A] Windows 95
[B] Windows XP
[C] Windows 2000
[D] Windows 98
Show Answer
Correct Answer : [B] Windows XP
Que 2: Octal number system is :
[A] 8
[B] 10
[C] 4
[D] 2
Show Answer
Correct Answer : [C] 4
Que 3: An organized way of representing numbers is called?
[A] Character System
[B] Number system
[C] Integer System
[D] None of these
Show Answer
Correct Answer : [B] Number system
Que 4: One Megabyte is equivalent to –
[A] 220 byte
[B] 230 byte
[C] 230 byte
[D] None of these
Show Answer
Correct Answer : [D] None of these
Que 5: Who represents the physical and tangible components of the computer?
[A] Hardware
[B] Software
[C] Both a and b
[D] None of these
Show Answer
Correct Answer : [A] Hardware
Que 6: Which of the following is the default mode for windows to start?
[A] Safe mode
[B] Normal mode
[C] command prompt
[D] None of these
Show Answer
Correct Answer : [B] Normal mode
Que 7: When we convert 10010 binary numbers to decimals. Then the solution is :
[A] 2010
[B] 1810
[C] 1410
[D] 1610
Show Answer
Correct Answer : [B] 1810
Que 8: Who invented the adding machine?
[A] Gottfried Leibnitz
[B] Blaise Pascal
[C] John Napier
[D] Jesus Christ
Show Answer
Correct Answer : [B] Blaise Pascal
Que 9: The first stage is performed on the computer by –
[A] Central Processing Unit
[B] Output unit
[C] Input unit
[D] None of these
Show Answer
Correct Answer : [D] None of these
Que 10: First generation computers –
[A] Stored programs in the memory of the computer
[B] Were built in the 19th century
[C] Used vacuum tubes instead of switches and relays
[D] All of the above
Show Answer
Correct Answer : [C] Used vacuum tubes instead of switches and relays

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