Basics of Computer Science MCQs

Strengthen your fundamental knowledge with our Basics of Computer Science MCQs with answers and explanations. Our collection covers key topics such as computer fundamentals, hardware and software, operating systems, networking basics, databases, programming concepts, and internet technologies. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and IT job assessments. Practice online to improve your understanding, enhance problem-solving skills, and excel in exams with our updated Basics of Computer Science MCQs

155. Offline device is

A. a device which is not connected to CPU
B. a device which is connected to CPU
C. a direct access storage device
D. an I/O device
✅ The correct answer is option A.

160. The radian of a number system

A. Is variable
B. Has nothing to do with digit position value
C. Equals the number of its distinct counting digits
D. Is always an even number
✅ The correct answer is option C.

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