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.

284. User-Friendly Systems are:

required for object-oriented programming
easy to develop
common among traditional mainframe operating systems
becoming more common
✅ The correct answer is option D.

287. Memory management is :

not used in modern operating system
replaced with virtual memory on current systems
not used on multiprogramming systems
critical for even the simplest operating systems
✅ The correct answer is option D.

288. Daisy chain is a device for

connecting a number of controllers to a device
connecting a number of devices to a controller
interconnecting a number of devices to a number of controllers
all of the above
✅ The correct answer is option B.

290. Data encryption

is mostly used by public networks
is mostly used by financial networks
cannot be used by private installations
is not necessary, since data cannot be intercepted
✅ The correct answer is option B.