Which of the following is/ are operating systems

A. Windows

B. Unix

C. OS/2

D. All of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Who invented Integrated Circuits?
  2. Which of the following is true?
  3. The storage subsystem in a microcomputer consists mainly of __ or __ media with varying capacities
  4. A dumb terminal has
  5. The two major types of computer chips are
  6. The brain of any computer system is
  7. On-line real time systems become popular in ________ generation
  8. Which of the following is a read only memory storage device?
  9. Analog computer works on the supply of
  10. Programs designed to perform specific tasks is known as
  11. Which is a semi conductor memory?
  12. A name or number used to identify a storage location is called
  13. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU…
  14. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS…
  15. What is a brand?
  16. Who invented Mark I?
  17. Which of the following computer is not invented by J.P. Eckert and John Mauchly?
  18. ________is defined as any crime completed through the use of computer technology.
  19. Which of the following is machine independence program?
  20. Daisy wheel, Drum, chain etc are the ________
  21. Magnetic tape can serve as
  22. The first digital computer built with IC chips was known as
  23. A computer which CPU speed around 100 million instruction per second and with the word length of around…
  24. Each set of Napiers bones consisted of ______ rods.
  25. A hybrid computer
  26. A system is
  27. A computer program that translates one program instructions at a time into machine language is called…
  28. Instruction in computer languages consists of
  29. UNIVAC is
  30. WAN stands for