Computer Quiz

Q.1. If 20 people need to communicate using symmetric-key cryptography, ____ symmetric keys are needed.
1) 190
2) 200
3) 20
4) 19
5) 210

Q.2. What is Internet 2?
1) A new type of cabling system for Wide Area Networks
2) A second local area network that can connect with another online LAN to share access
3) A new standard for Internet browsers
4) An association to develop advanced Internet technology
5) None of these

Q.3. Which of the following keys is used for full screen view while browsing internet?
1) F1
2) F2
3) F11
4) F10
5) F12

Q.4. The reason the data outputs of most ROM ICs are tri-state outputs is to _____ .
1) allow for three separate data input lines
2) allow the bidirectional flow of data between the bus lines and the ROM registers
3) permit the connection of many ROM chips to a common data bus
4) isolate her registers from the data bus during read operations
5) None of these

Q.5. The term, “hypertext,” means
1) Non-sequential writing
2) Hypermedia
3) Blinking text
4) Text with heavy formatting
5) None of these

Q.6. Which of the following is not an input device?
1) Printer
2) Monitor
3) Projector
4) Speaker
5) All of these

Q.7. Which type of computers use the 8 bit code called EBCDIC?
1) Minicomputers
2) Mainframe computers
3) Super computer
4) Microcomputer
5) None of these

Q.8. An AND gate
1) Implements logic addition
2) Is equivalent to a series switching circuit
3) Is any-or all gate
4) Is equivalent to a parallel switching circuit
5) None of these

Q.9. The decimal equivalent of the binary number 11100001111 is
1) 1806
2) 1807
3) 2806
4) All of these
5) None of these

Q.10. Programs in which of the following memories can’t be erased?
1) RAM
2) ROM
3) Cache memory
4) Virtual memory
5) None of these

Answers..

Q.1. 1
Q.2. 4
Q.3. 3
Q.4. 3
Q.5. 2
Q.6. 5
Q.7. 2
Q.8. 2
Q.9. 2
Q.10. 2