Computer Science MCQs Page-8

Computer Science MCQs. Computer Science MCQs for pakistan exams. Computer Basic Basic Computer Knowledge questions with answer (Computer mcqs)  Computer Awareness Questions Answers MCQ Set. These Computer science Mcqs are also beneficial for Preparation of PPSC Test, FPSC Test, SPSC Test,KPPSC Test,BPSC Test,PTS ,OTS

                                  

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Computer Science MCQs

71. The software used for workgroup computing is called
(A) Shareware
(B) Freeware
(C) Groupware
(D) Both A and B

72. Which of the following standards were developed without any formal planning?
(A) De Facto
(B) De Jure
(C) ISO
(D) Both A and B

73. Which of the following is LAN protocol?
(A) Ethernet
(B) ARCnet
(C) Token Ring
(D) All

74. Which one is the Bottom-most layer of OSI model?
(A) Data link
(B) Physical
(C) Network
(D) Transport

75. Data is transmitted block-by-block in ___________ transmission.
(A) Digital
(B) Analog
(C) Synchronous
(D) Asynchronous

76. An important property of fiber optic is
(A) Refraction
(B) Reflection
(C) Interface
(D) None Of These

77. The process to convert analog signals into digital signals is called
(A) Modulation
(B) Demodulation
(C) Digitization
(D) Conversion

78. Which of the following memories can be re-written by using electrical devices?
(A) PROM
(B) ROM
(C) EEPROM
(D) EPROM

79. ___________ virus is a polymorphic virus. Polymorphic means “changes nature with passage of time”.
(A) Redlof
(B) Torjan Horse
(C) Chernobal
(D) Logic Bomb


80. Which of the following protocols is used by World Wide Web(www)?
(A) TCP/IP
(B) Ethernet
(C) FTP
(D) HTTP

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