766. Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
A. Napier
B. Babbage
C. Pascal
D. Leibnitz
✅ The correct answer is option D.
768. A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
A. LAN
B. Broadband network
C. Star network
D. Euronet
✅ The correct answer is option D.
770. Who coordinates the sequencing of events within the central processor of a computer?
A. Logic unit
B. Arithmetic unit
C. Register
D. Control unit
✅ The correct answer is option D.
773. Which of the following is not used as secondary storage?
A. Semiconductor memory
B. Magnetic Disks
C. magnetic Drums
D. Magnetic Tapes
✅ The correct answer is option A.
776. Programs such as Mozilla Firefox that serve as navigable windows into the Web are called ……..
A. Hypertext
B. Network
C. Internet
D. Web Browsers
✅ The correct answer is option D.
779. URL stands for?
A. Universal Research List
B. Universal Resource List
C. Uniform Resource Locator
D. Uniform Research Locator
✅ The correct answer is option C.
742. Which of the following will not cut information?
A. Pressing Ctrl + C
B. Selecting Edit > Cut from the menu
C. Clicking on the standard cut button
D. Pressing Ctrl + X
✅ The correct answer is option A.
745. Who designed the first electronic computer – ENIAC?
A. Von Neuman
B. Joseph M Jacquard
C. J presper Eckert and John W Mauchly
D. Both A and B
✅ The correct answer is option C.
748. Which of the following is NOT an advantage of open-source operating systems over proprietary versions?
A. Free use and distribution
B. Availability of technical support
C. Availability of source code
D. Ability to modify code
✅ The correct answer is option B.
751. The third generation of computers covers the period:
A. 1971-1982
B. 1982-1994
C. 1959-1964
D. 1965-1971
✅ The correct answer is option D.