[ Memory Units Mcqs ]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
[ Memory Units Mcqs ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
71. 1 PB (Petabyte) में कितने Bytes होते हैं?
[A] 1125899906842624 Bytes
[B] 1099511627776 Bytes
[C] 1073741824 Bytes
[D] 1048576 Bytes
71. 1 PB is equal to how many bytes?
[A] 1125899906842624 Bytes
[B] 1099511627776 Bytes
[C] 1073741824 Bytes
[D] 1048576 Bytes
सही उत्तर: 1125899906842624 Bytes
व्याख्या: 1 PB = 1024 TB = 1024^5 Bytes = 1125899906842624 Bytes होता है।
Correct Answer: 1125899906842624 Bytes
Explanation: 1 Petabyte equals 1125899906842624 bytes.
72. CPU का मुख्य कार्य क्या है?
[A] Data storage
[B] Processing data
[C] Printing
[D] Display
72. What is main function of CPU?
[A] Data storage
[B] Processing data
[C] Printing
[D] Display
सही उत्तर: Processing data
व्याख्या: CPU का मुख्य कार्य data को process करना होता है।
Correct Answer: Processing data
Explanation: CPU processes data.
73. Cache memory का स्थान कहाँ होता है?
[A] Hard Disk में
[B] CPU के पास
[C] RAM में
[D] ROM में
73. Where is cache memory located?
[A] Hard Disk
[B] Near CPU
[C] RAM
[D] ROM
सही उत्तर: CPU के पास
व्याख्या: Cache memory CPU के बहुत पास होती है।
Correct Answer: Near CPU
Explanation: Cache memory is located near CPU.
74. RAM किस प्रकार की memory है?
[A] Permanent
[B] Volatile
[C] Secondary
[D] External
74. What type of memory is RAM?
[A] Permanent
[B] Volatile
[C] Secondary
[D] External
सही उत्तर: Volatile
व्याख्या: RAM volatile memory होती है।
Correct Answer: Volatile
Explanation: RAM is volatile memory.
75. ROM का पूरा नाम क्या है?
[A] Random Only Memory
[B] Read Only Memory
[C] Run Only Memory
[D] Read Output Memory
75. What is full form of ROM?
[A] Random Only Memory
[B] Read Only Memory
[C] Run Only Memory
[D] Read Output Memory
सही उत्तर: Read Only Memory
व्याख्या: ROM का सही full form Read Only Memory है।
Correct Answer: Read Only Memory
Explanation: ROM stands for Read Only Memory.
76. 1 GB में कितने Bytes होते हैं?
[A] 1073741824 Bytes
[B] 1048576 Bytes
[C] 1000000000 Bytes
[D] 1024 Bytes
76. How many bytes in 1 GB?
[A] 1073741824 Bytes
[B] 1048576 Bytes
[C] 1000000000 Bytes
[D] 1024 Bytes
सही उत्तर: 1073741824 Bytes
व्याख्या: 1 GB = 1024^3 = 1073741824 Bytes होता है।
Correct Answer: 1073741824 Bytes
Explanation: 1 GB equals 1073741824 bytes.
77. Secondary memory का मुख्य उपयोग क्या है?
[A] Speed increase
[B] Permanent storage
[C] Processing
[D] Calculation
77. What is use of secondary memory?
[A] Speed increase
[B] Permanent storage
[C] Processing
[D] Calculation
सही उत्तर: Permanent storage
व्याख्या: Secondary memory data को permanent store करने के लिए उपयोग होती है।
Correct Answer: Permanent storage
Explanation: Secondary memory stores data permanently.
78. Register memory कहाँ होती है?
[A] RAM में
[B] CPU के अंदर
[C] Hard Disk में
[D] ROM में
78. Where is register memory located?
[A] RAM
[B] Inside CPU
[C] Hard Disk
[D] ROM
सही उत्तर: CPU के अंदर
व्याख्या: Register memory CPU के अंदर होती है।
Correct Answer: Inside CPU
Explanation: Register memory is inside CPU.
79. 1 MB में कितने Bytes होते हैं?
[A] 1048576 Bytes
[B] 1024 Bytes
[C] 1000000 Bytes
[D] 512000 Bytes
79. How many bytes in 1 MB?
[A] 1048576 Bytes
[B] 1024 Bytes
[C] 1000000 Bytes
[D] 512000 Bytes
सही उत्तर: 1048576 Bytes
व्याख्या: 1 MB = 1024×1024 = 1048576 Bytes होता है।
Correct Answer: 1048576 Bytes
Explanation: 1 MB equals 1048576 bytes.
80. Virtual memory किसके रूप में काम करती है?
[A] CPU cache
[B] Extended RAM
[C] ROM
[D] Register
80. Virtual memory works as what?
[A] CPU cache
[B] Extended RAM
[C] ROM
[D] Register
सही उत्तर: Extended RAM
व्याख्या: Virtual memory hard disk space को RAM की तरह use करती है।
Correct Answer: Extended RAM
Explanation: Virtual memory acts as extended RAM.