871. Which of the following operating systems is produced by IBM?
A. OS-2
B. Windows
C. DOS
D. UNIX
✅ The correct answer is option A.
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
872. ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
A. hydrogen bomb
B. atom bomb
C. agnimissile
D. fighter aircraft
✅ The correct answer is option A.
873. The ability of a computer system to remain operational despite various failures is
A. Relation
B. Schema
C. Resilience
D. Versatility
✅ The correct answer is option C.
874. Factory production lines can be automated using?
A. Machine tools
B. VDUs
C. Plotters
D. None of these
✅ The correct answer is option B.
875. The silicon chips used for data processing are called
A. RAM chips
B. ROM chips
C. Micro processor
D. PROM chips
✅ The correct answer is option C.
876. Backing storage is so named because it
A. is always kept at the back of the CPU
B. is slow and backward
C. backs up the computer
D. lags behind the main memory
✅ The correct answer is option C.
877. The decimal equivalent of the binary number 11100001111 is
A. 1806
B. 1807
C. 2806
D. All of the above
✅ The correct answer is option B.
878. In simplex transmission
A. Data format is simple
B. Data transmission is one way
C. Data can be transmitted to small distances only
D. All of the above
✅ The correct answer is option B.
879. The magnetic storage chips used to provide nonvolatile direct access storage of data and that have no moving parts are known as
A. Magnetic core memory
B. Magnetic tape memory
C. Magnetic disk memory
D. Magnetic bubble memory
✅ The correct answer is option D.
880. Binary numbers need more places for counting because:
A. 0’s and 1’s can be added in front of them
B. 0’s and 1’s have to be properly placed
C. They are always big numbers
D. Binary base is small
✅ The correct answer is option D.