41. Which of the following is used for serial access storage only?
A. RAM
B. Magnetic tape
C. Magnetic disk
D. Core memory
✅ The correct answer is option B.
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
42. A logic bomb that was created to erupt on Michelangelo’s birthday is an example of a:
A. Time-related bomb sequence
B. Virus
C. Time bomb
D. Trojan horse
✅ The correct answer is option C.
43. Surgeons can perform delicate operation by manipulating devices through computers instead of manually. this technology is known as-
A. Robotics
B. Computer forensics
C. Simulation
D. Forecasting
✅ The correct answer is option A.
44. Who built the world’s first electronic calculator using telephone relays, light bulbs and batteries?
A. Claude Shannon
B. Konard Zuse
C. George Stibitz
D. Howard H. Aliken
✅ The correct answer is option C.
45. Which of the following statements is FALSE concerning file?
A. Files may share the same name or the same extension but not both
B. Every file in the same foldr must have a unique name
C. File extension is another name for file type
D. The file extension comes before the dot (.) followed by the file name
✅ The correct answer is option D.
46. The most popular language for interactive use is
A. COBOL
B. PASCAL
C. BASIC
D. FORTRAN
✅ The correct answer is option C.
47. A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
A. Sequential
B. Logical
C. Digital
D. Physical
✅ The correct answer is option B.
48. Which of the following is used as storage locations both in the ALU and the control section of a computer?
A. accumulator
B. register
C. adder
D. decoder
✅ The correct answer is option B.
49. Name of the first guided weapon in the world which used a programmable digital computer:
A. Sting Ray Torpedo
B. Mk 46 Torpedo
C. Air-Launched Cruise Missile (ALCM)
D. Tomahawk Missile
✅ The correct answer is option A.
50. The data appearing first in the left portion of punched card is
A. descriptive data
B. coded data
C. quantitative data
D. All of the above
✅ The correct answer is option B.