[ All computer questions and answers ]
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[ Jharkhand General Knowledge & General Studies Questions ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
231. Which header file is used for clrscr() in C?
[A] math.h
[B] time.h
[C] stdio.h
[D] conio.h
231.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: clrscr() is defined in conio.h
Correct Answer:
Explanation: Important question.
232. Which input device enables video conferencing?
[A] Joystick
[B] Scanner
[C] Webcam
[D] Light pen
232.
[A]
[B]
[C]
[D]
सही उत्तर: C
व्याख्या: Webcam is used for video conferencing
Correct Answer:
Explanation: Important question.
233. Which is NOT a font style?
[A] Bold
[B] Italic
[C] Reference
[D] Underline
233.
[A]
[B]
[C]
[D]
सही उत्तर: C
व्याख्या: Reference is not a font style
Correct Answer:
Explanation: Important question.
234. A bit is a single unit of information with value
[A] 0 or 1
[B] 2 or 3
[C] 8 or 16
[D] 32 or 64
234.
[A]
[B]
[C]
[D]
सही उत्तर: A
व्याख्या: Bit can be 0 or 1
Correct Answer:
Explanation: Important question.
235. A web page is a document written in HTML accessed via browser
[A] Accounts
[B] Spreadsheet
[C] Web Page
[D] Search engine
235.
[A]
[B]
[C]
[D]
सही उत्तर: C
व्याख्या: HTML document accessed via browser is web page
Correct Answer:
Explanation: Important question.
236. A collection of data stored electronically is called
[A] Interpreter
[B] Compiler
[C] Notebook
[D] Database
236.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: Collection of structured data is database
Correct Answer:
Explanation: Important question.
237. What is STP full form in cable?
[A] Shielded Twisted Pair
[B] Shine Twisted Pair
[C] Shielded Twin Pair
[D] Shield Test Pair
237.
[A]
[B]
[C]
[D]
सही उत्तर: A
व्याख्या: STP stands for Shielded Twisted Pair
Correct Answer:
Explanation: Important question.
238. Which is function of Operating System?
[A] File management
[B] Process management
[C] Memory management
[D] All of the options
238.
[A]
[B]
[C]
[D]
सही उत्तर: D
व्याख्या: OS performs all listed functions
Correct Answer:
Explanation: Important question.
239. First commercial computer was
[A] UNIVAC
[B] ENIAC
[C] EDSAC
[D] Mark I
239.
[A]
[B]
[C]
[D]
सही उत्तर: A
व्याख्या: UNIVAC was first commercial computer
Correct Answer:
Explanation: Important question.
240. Topology with point-to-point connection to every host is
[A] Ring
[B] Full Mesh
[C] Bus
[D] Star
240.
[A]
[B]
[C]
[D]
सही उत्तर: B
व्याख्या: Full mesh connects every node to every other node
Correct Answer:
Explanation: Important question.