Computer

Prepare with the best Computer MCQs with answers and explanations for exams and job tests. Our question bank covers computer fundamentals, hardware, software, networking, operating systems, databases, programming, internet, and information technology. These Computer multiple-choice questions are helpful for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, IT certifications, and job interviews. Practice online to improve your knowledge and score higher with our updated and comprehensive Computer MCQs.

📘 Basics of Computer Science MCQs
📘 COMPUTER SCIENCE
📘 MS Office
📘 Operating System

312. Addressing structure

defines the fundamental method of determining effective operand addresses
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
all of the above
✅ The correct answer is option A.

315. The most common security failure is

carelessness by users
depending on passwords
too much emphasis on preventing physical access
insufficient technology used to prevent breaches
✅ The correct answer is option A.

319. Scandisk

Checks the disk
Give information about disk
Run from DOS mode
All of the above
✅ The correct answer is option D.