[ All computer questions and answers ]
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.
251. Most widely used network scanner is
[A] Network Mapper
[B] Photo Scanner
[C] Network Adapter
[D] Handheld scanner
251.
[A]
[B]
[C]
[D]
सही उत्तर: A
व्याख्या: Nmap is widely used network scanner
Correct Answer:
Explanation: Important question.
252. The term 128-bit era refers to which of the following?
[A] Sixth generation Computers
[B] Laptops
[C] Super computers
[D] Video game Consoles
252.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: 128-bit era refers to video game consoles generation
Correct Answer:
Explanation: Important question.
253. Nowadays Vishing is a criminal practice over which medium?
[A] Social networking sites
[B] Mobile Phones
[C] E-mails
[D] Cyber cafés
253.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Vishing is voice phishing done via mobile phones
Correct Answer:
Explanation: Important question.
254. Dictionary attack is used to
[A] Inject worms or viruses
[B] Determine a password
[C] Access customer account details
[D] Steal credit card info
254.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Dictionary attack is used to guess passwords
Correct Answer:
Explanation: Important question.
255. A device reserved for communication between operator and computer is called
[A] EDP Device
[B] Console
[C] Jokey
[D] Link Device
255.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Console is used for operator-machine communication
Correct Answer:
Explanation: Important question.
256. Internet escrow is most related to
[A] E-commerce
[B] Software Development
[C] Privacy Security
[D] Database Management
256.
[A]
[B]
[C]
[D]
सही उत्तर: A
व्याख्या: Escrow is related to online buying and selling
Correct Answer:
Explanation: Important question.
257. Macintosh operating system is a product of
[A] Microsoft
[B] Apple
[C] Intel
[D] Google
257.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Macintosh (Mac OS) is developed by Apple
Correct Answer:
Explanation: Important question.
258. Programs in computer are best known as
[A] Language
[B] Instructions
[C] Commands
[D] Programs
258.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: Set of instructions executed by computer are programs
Correct Answer:
Explanation: Important question.
259. Four main components of computer are interconnected by
[A] Cars
[B] Buses
[C] Lines
[D] Rods
259.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Computer components are connected using buses
Correct Answer:
Explanation: Important question.
260. First single-chip microprocessor was designed by
[A] Ted Hoff
[B] Federico Faggin
[C] Stanley Mazor
[D] All of the above
260.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: Intel 4004 was designed by all mentioned engineers
Correct Answer:
Explanation: Important question.