[ Computer Fundamental ]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
[ Jharkhand General Knowledge & General Studies Questions ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
151. निम्नलिखित में से कौन semiconductor memory है?
[A] Dynamic
[B] Static
[C] Bubble
[D] Both a & b
151. Which is a semi conductor memory?
[A] Dynamic
[B] Static
[C] Bubble
[D] Both a & b
सही उत्तर: Both a & b
व्याख्या: Dynamic और Static दोनों semiconductor memories हैं।
Correct Answer: Both a & b
Explanation: Dynamic and static memories are semiconductor memories.
152. RJ45 UTP cable में कितने pairs होते हैं?
[A] 2 pair
[B] 3 pair
[C] 4 pair
[D] 5 pair
152. RJ45 UTP cable has ________ Cables.
[A] 2 pair
[B] 3 pair
[C] 4 pair
[D] 5 pair
सही उत्तर: 4 pair
व्याख्या: RJ45 UTP cable में 4 twisted pairs होते हैं।
Correct Answer: 4 pair
Explanation: RJ45 UTP cable contains 4 pairs.
153. निम्नलिखित में से कौन floppy disk का valid size नहीं है?
[A] 8 inch
[B] 5 ¼ inch
[C] 3 ½ inch
[D] 5 ½ inch
153. Which of the following is not a valid size of a Floppy Disk?
[A] 8 inch
[B] 5 ¼ inch
[C] 3 ½ inch
[D] 5 ½ inch
सही उत्तर: 5 ½ inch
व्याख्या: 5½ inch floppy disk standard size नहीं है।
Correct Answer: 5 ½ inch
Explanation: 5½ inch is not a valid floppy disk size.
154. सबसे प्रारंभिक calculating device कौन-सी थी?
[A] Abacus
[B] Clock
[C] Difference Engine
[D] None of these
154. The earliest calculating devices are
[A] Abacus
[B] Clock
[C] Difference Engine
[D] None of these
सही उत्तर: Abacus
व्याख्या: Abacus सबसे पुरानी गणना मशीन थी।
Correct Answer: Abacus
Explanation: Abacus was the earliest calculating device.
155. Personal Computer की word length कितनी होती है?
[A] 4 bits
[B] 8 bits
[C] 16 bits
[D] 64 bits
155. Word length of a Personal Computer is ___
[A] 4 bits
[B] 8 bits
[C] 16 bits
[D] 64 bits
सही उत्तर: 64 bits
व्याख्या: प्रारंभिक personal computers की word length 64 bits थी।
Correct Answer: 64 bits
Explanation: Personal computers initially used 64-bit word length.
156. पहला कंप्यूटर जिसने सभी calculations electronics से किए, mechanical switches से नहीं, कौन-सा था?
[A] Mark I
[B] ABC
[C] Z3
[D] None of above
156. What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?
[A] Mark I
[B] ABC
[C] Z3
[D] None of above
सही उत्तर: ABC
व्याख्या: ABC पहला electronic digital computer माना जाता है।
Correct Answer: ABC
Explanation: ABC was the first fully electronic digital computer.
157. Directly accessible appointment calendar किस resident package की feature है?
[A] CPU
[B] Memory
[C] Buffer
[D] ALU
157. A directly accessible appointment calendar is feature of a __ resident package
[A] CPU
[B] Memory
[C] Buffer
[D] ALU
सही उत्तर: Memory
व्याख्या: Appointment calendar memory resident package की विशेषता है।
Correct Answer: Memory
Explanation: Appointment calendar is a memory resident feature.
158. कौन-सी unit computer data को human readable form में बदलती है?
[A] Input unit
[B] Output unit
[C] ALU
[D] Control Unit
158. Which unit converts computer data into human readable form?
[A] Input unit
[B] Output unit
[C] ALU
[D] Control Unit
सही उत्तर: Output unit
व्याख्या: Output unit डेटा को उपयोगकर्ता के लिए readable बनाती है।
Correct Answer: Output unit
Explanation: Output unit converts data into human readable form.
159. ALU का पूर्ण रूप क्या है?
[A] Arithmetic Logic Unit
[B] Array Logic Unit
[C] Application Logic Unit
[D] None of above
159. The full form of ALU is
[A] Arithmetic Logic Unit
[B] Array Logic Unit
[C] Application Logic Unit
[D] None of above
सही उत्तर: Arithmetic Logic Unit
व्याख्या: ALU arithmetic और logical operations करता है।
Correct Answer: Arithmetic Logic Unit
Explanation: ALU stands for Arithmetic Logic Unit.
160. Data से useful information क्या उत्पन्न करता है?
[A] Computer
[B] Processing
[C] Programming
[D] none of above
160. What produces useful information out of data?
[A] Computer
[B] Processing
[C] Programming
[D] none of above
सही उत्तर: Processing
व्याख्या: Processing द्वारा data useful information बनता है।
Correct Answer: Processing
Explanation: Processing converts data into useful information.