[ Data Reperentation MCQS]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
[ Data Reperentation MCQS ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
81. 1 Petabyte (PB) बराबर होता है?
[A] 1024 TB
[B] 1000 TB
[C] 1024 GB
[D] 2048 TB
81. 1 Petabyte (PB) is equal to?
[A] 1024 TB
[B] 1000 TB
[C] 1024 GB
[D] 2048 TB
सही उत्तर: 1024 TB
व्याख्या: 1 PB = 1024 TB
Correct Answer: 1024 TB
Explanation: 1 PB = 1024 TB.
82. 1 Exabyte (EB) बराबर होता है?
[A] 1024 PB
[B] 1000 PB
[C] 1024 TB
[D] 2048 PB
82. 1 Exabyte (EB) is equal to?
[A] 1024 PB
[B] 1000 PB
[C] 1024 TB
[D] 2048 PB
सही उत्तर: 1024 PB
व्याख्या: 1 EB = 1024 PB
Correct Answer: 1024 PB
Explanation: 1 EB = 1024 PB.
83. कौन-सा कोड IBM द्वारा विकसित किया गया था?
[A] ASCII
[B] EBCDIC
[C] Unicode
[D] Gray Code
83. Which code was developed by IBM?
[A] ASCII
[B] EBCDIC
[C] Unicode
[D] Gray Code
सही उत्तर: EBCDIC
व्याख्या: EBCDIC को IBM ने विकसित किया था।
Correct Answer: EBCDIC
Explanation: EBCDIC was developed by IBM.
84. ASCII मूलतः कितने बिट का कैरेक्टर कोड है?
[A] 6 Bit
[B] 7 Bit
[C] 8 Bit
[D] 16 Bit
84. ASCII is originally a _____ bit character code.
[A] 6 Bit
[B] 7 Bit
[C] 8 Bit
[D] 16 Bit
सही उत्तर: 7 Bit
व्याख्या: Standard ASCII 7-bit Encoding है।
Correct Answer: 7 Bit
Explanation: Standard ASCII is a 7-bit character encoding.
85. डेटा रिप्रेजेंटेशन में MSB का पूर्ण रूप क्या है?
[A] Most Significant Bit
[B] Maximum Storage Bit
[C] Main Storage Block
[D] Most Secure Bit
85. What is the full form of MSB?
[A] Most Significant Bit
[B] Maximum Storage Bit
[C] Main Storage Block
[D] Most Secure Bit
सही उत्तर: Most Significant Bit
व्याख्या: MSB किसी Binary Number का सबसे बायाँ Bit होता है।
Correct Answer: Most Significant Bit
Explanation: MSB is the leftmost bit in a binary number.
86. LSB का पूर्ण रूप क्या है?
[A] Least Significant Bit
[B] Last Storage Bit
[C] Lowest Storage Block
[D] Least Secure Bit
86. What is the full form of LSB?
[A] Least Significant Bit
[B] Last Storage Bit
[C] Lowest Storage Block
[D] Least Secure Bit
सही उत्तर: Least Significant Bit
व्याख्या: LSB सबसे दायाँ Bit होता है।
Correct Answer: Least Significant Bit
Explanation: LSB is the rightmost bit in a binary number.
87. यदि किसी Byte के सभी Bit 1 हों तो उसका Decimal मान क्या होगा?
[A] 127
[B] 128
[C] 254
[D] 255
87. If all bits in one byte are 1, what is its decimal value?
[A] 127
[B] 128
[C] 254
[D] 255
सही उत्तर: 255
व्याख्या: 11111111₂ = 255
Correct Answer: 255
Explanation: 11111111₂ = 255.
88. कंप्यूटर में ऋणात्मक (Negative) संख्याओं को प्रदर्शित करने के लिए सबसे अधिक किस विधि का उपयोग किया जाता है?
[A] 1's Complement
[B] 2's Complement
[C] BCD
[D] Gray Code
88. Which method is most commonly used to represent negative numbers in computers?
[A] 1's Complement
[B] 2's Complement
[C] BCD
[D] Gray Code
सही उत्तर: 2's Complement
व्याख्या: अधिकांश कंप्यूटर 2's Complement का उपयोग करते हैं।
Correct Answer: 2's Complement
Explanation: Most computers use 2's complement representation.
89. Binary Number 101010 का Decimal मान क्या है?
[A] 40
[B] 41
[C] 42
[D] 43
89. What is the decimal equivalent of binary number 101010?
[A] 40
[B] 41
[C] 42
[D] 43
सही उत्तर: 42
व्याख्या: 101010₂ = 32 + 8 + 2 = 42
Correct Answer: 42
Explanation: 101010₂ = 42₁₀.
90. डेटा रिप्रेजेंटेशन में Binary Number System क्यों उपयोग किया जाता है?
[A] क्योंकि इलेक्ट्रॉनिक परिपथ दो अवस्थाओं (ON/OFF) पर कार्य करते हैं
[B] क्योंकि यह सबसे तेज़ संख्या प्रणाली है
[C] क्योंकि इसमें अधिक अंक होते हैं
[D] क्योंकि यह केवल दशमलव संख्याएँ दर्शाती है
90. Why is the binary number system used in computers?
[A] Because electronic circuits work in two states (ON/OFF)
[B] Because it is the fastest number system
[C] Because it has more digits
[D] Because it represents only decimal numbers
सही उत्तर: क्योंकि इलेक्ट्रॉनिक परिपथ दो अवस्थाओं (ON/OFF) पर कार्य करते हैं
व्याख्या: डिजिटल इलेक्ट्रॉनिक सर्किट ON (1) और OFF (0) अवस्थाओं पर आधारित होते हैं।
Correct Answer: Because electronic circuits work in two states (ON/OFF)
Explanation: Digital electronic circuits operate using two states: ON (1) and OFF (0).