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.

991. The data bus in 8080A/8085 microprocessor is a group of

A. eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
B. sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
C. eight unidirectional lines that are used for I/O devices
D. eight lines used to transfer data among the registers
✅ The correct answer is option A.

998. In computer terminology a compiler means

A. a person who computes source programs
B. the same thing as a programmer
C. key punch operator
D. a program which translates source program into object program
✅ The correct answer is option D.