This quiz works best with JavaScript enabled. Home > Science > Technology > Computers Electronics Communication – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Computers Electronics Communication Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following was discovered by Germans during World War- Two? A) Magnetic Tape. B) Keypad. C) Floppy disc. D) Hard disc. Show Answer Correct Answer: A) Magnetic Tape. 2. Laptops are the smallest computers, also called the. A) Portable computers. B) Small computers. C) Dwarf computers. D) Mini computers. Show Answer Correct Answer: A) Portable computers. 3. The velocity at which an object will continue its circular motion around the Earth in an orbit called the. A) Object velocity. B) Orbital velocity. C) Circular velocity. D) Continuing velocity. Show Answer Correct Answer: B) Orbital velocity. 4. Function keys are the keys on the keyboard marked as F1 to. A) F9. B) F10. C) F12. D) F16. Show Answer Correct Answer: C) F12. 5. Name the smallest unit of memory. A) Phase. B) Maze. C) Bit. D) Byte. Show Answer Correct Answer: C) Bit. 6. Special purpose softwares are developed for special situations like rules and regulations to prepare payroll which differ from. A) Computer to Computer. B) Network to network. C) System to system. D) Company to company. Show Answer Correct Answer: D) Company to company. 7. A small area of memory for temporary storage of date is called. A) Bug. B) Bios. C) Temporary. D) Buffer. Show Answer Correct Answer: D) Buffer. 8. An instruction given to Computer in direct mode is called. A) Database. B) Forward. C) Search. D) Command. Show Answer Correct Answer: D) Command. 9. ..... controls time and sequence of the operation of the computers or organizes the processing. A) Control unit. B) Electronic clock. C) Programme counter. D) Control device. Show Answer Correct Answer: A) Control unit. 10. A blinking undercore (dot)seen on monitor is called. A) Star. B) Cursor. C) Light. D) None of these. Show Answer Correct Answer: B) Cursor. 11. Complete structure of instructions is called. A) Robot. B) Command. C) Compiler. D) System. Show Answer Correct Answer: D) System. 12. On the net, which Computers are linked together via telephone lines and fibre-optic cable? A) Servers. B) Mega Computers. C) Super Computers. D) Special purpose Computer. Show Answer Correct Answer: A) Servers. 13. A database is information or date on a disk or tape, where database are used? A) Hospitals. B) Police headquarters. C) Libraries. D) All of these. Show Answer Correct Answer: D) All of these. 14. Which device links computers over telephone lines? A) Monitor. B) CPU. C) Printer. D) Modem. Show Answer Correct Answer: D) Modem. 15. ROM and RAM are commonly used terms in computers. What are these? A) Memories. B) Input devices. C) Output devices. D) Peripherals. Show Answer Correct Answer: A) Memories. 16. A copy of virus can ..... a number of programmes. A) Beautify. B) Store. C) Erase. D) Damage. Show Answer Correct Answer: D) Damage. 17. Which programme assembles photos, text and audio onto web pages that appear on Computer screen? A) COBOL. B) Browser. C) ALGOL. D) SNOBAL. Show Answer Correct Answer: B) Browser. 18. Physical components of a computer including all peripheral devices are called. A) Hardware. B) Mathematics. C) Lograthm. D) Mechanics. Show Answer Correct Answer: A) Hardware. 19. A network virus is known as. A) Disease. B) Worm. C) System. D) Dormancy. Show Answer Correct Answer: B) Worm. 20. What is meant by tallying? A) Method of counting. B) Method of copying. C) Method of matching. D) Method of remembering. Show Answer Correct Answer: A) Method of counting. ← PreviousNext →Related QuizzesScience QuizzesComputers Electronics Communication Quiz 1Computers Electronics Communication Quiz 2Computers Electronics Communication Quiz 3Computers Electronics Communication Quiz 5Units Abbreviations Inventions Discoveries Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books