A program that performs a useful task while simultaneously allowing destructive acts is

A. Worm.

B. Trojan horse.

C. Virus.

D. Macro virus.

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

You can do it
  1. Programs designed to perform specific tasks is known as
  2. Which output device is used for translating information from a computer into pictorial form on paper.
  3. Which unit holds data temporarily?
  4. Coded entries which are used to gain access to a computer system are called
  5. CD-ROM is a
  6. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted…
  7. Which of the following code used in present day computing was developed by IBM Corporation?
  8. The subject of cybernetics deals with the science of
  9. which of the following is problem oriented language?
  10. The advantage of COM are its __ and __
  11. The 2's compliment of a binary no. is obtained by adding________to its 1's compliment.
  12. Any device that performs signal conversion is
  13. Most of the first generation computers were
  14. FORTRAN programming language is more suitable for ____
  15. Which method is used to connect a remote computer?
  16. A factor which would strongly influence a business person to adopt a computer is its
  17. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
  18. Where as a computer mouse moves over the table surface, the trackball is
  19. Which 8-bit chip was used in many of today's TRS-80 computers?
  20. Personal computers use a number of chips mounted on a main circuit board. What is the common name for…
  21. A hard copy would be prepared on a
  22. Which of the following can store information in the form of microscopic pits on metal disks.
  23. The common name for the crime of stealing passwords is:
  24. A modem is connected to
  25. An error in computer data is called
  26. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
  27. A paper printout of a document is known as
  28. When was vacuum tube invented?
  29. IBM 1401 is
  30. One of a class of storage device devices that can access storage locations in any order is