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COMPUTER IMPORTANT MCQS

Raza Ali Barkat Ali

1. Which computers are lower to mainframe computers in terms of speed and storage capacity?





2. Fifth Generation computers are based on:





3. Which of the following is not a type of computer on the basis of operation?





4. Non-volatile memory is:





5. The main electronic component used in first generation computers was





6. The --------------- is an electronic pathway used to connect the CPU with every device in a computer?





7. ALU stands for:





8. The two kinds of main memory are:





9. CD-ROM stands for





10. Impact printers that forms characters using pins in a rectangular or matrix form are called:





11. The output quality of a printer is measured by:





12. TCP/ IP is called:





13. Select the simplest topology the following:





14. A network is usually privately owned and linked to the devices in a single office, building, or campus.





15. The Boolean function A + BC is a reduced form of ____________:





16. DeMorgan’s theorem states that _________:





17. How many AND gates are required to realize Y = CD + EF ?





18. The AND gate has two or more input signals in ones and zeros. What will be the output?





19. A computer program that converts an entire program into machine language is called a/an:





20. Programs designed to perform specific tasks is known as:





21. The processing of converting an analog signal to digital signal is called:





22. Which cable transmits data transmission up to 10 Mbps?





23. A state of communication that allows information to travel in two directions but not simultaneously at a time is called:





24. Data is sent one byte at a time over the network in which type of transmission:





25. Which of the following computer virus?





26. Many organizations use___________ to keep their internal network secure while allowing communication with the rest of internet.





27. A computer application whereby messages are transmitted via data communications to electronic mailbox is called:





28. The term Gigabyte refers to:





29. An application program that helps the user to calculate any number by the formulas and immediately see the result of that change is called:





30. Fast Ethernet is called:





31. Which is considered a direct entry input device?





32. The internetworking protocol is known as:





33. The two inputs are high in NOR gate, what will be the output?





34. Which of the following is designed to control the operations of a computer?





35. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?





36. Which of the following is not a peripheral hardware device in a computer system?