Saturday, February 18, 2012

computer knowledge,series-01


1. The port number used by SMTP is:
25
2. A packet filter is a type of
Firewall
4. In 100BASE-T, ‘T’ stands for:
Twisted pair
5. A head crash is said to occur when the read-write head of a hard disk drive:
Touches the magnetic media
6. Category 5 cable includes —twisted pairs in a single cable jacket.
4
7. The port number used by the HTTP protocol is
80
8. In PowerPoint presentations, individual pages are called:
Slides
9. _________ is a powder used in laser printers to form the images on a paper.
Toner
10. Worms and Trojan Horses are examples of:
Malware
11. ___________ Printers work by selectively heating regions of special heat-sensitive paper.
Thermal
12.The ISI mark is given by:
BIS
13. The laser printer was invented at:
Xerox
14. A flaw in a system whereby the output is unexpectedly dependent on the sequence or timing of other events is called a:
Race condition
15. A 56k modem can transfer data at up to bits per second over the phone line.
56000
16. The original implementation of the C programming language was standardized by :
ANSI
17. ________Is a signaling method that handles a relatively wide range of frequencies.
Broadband
18. Power-on-self-test is built into the:
BIOS
19. PowerPoint can embed content from other applications through:
OLE
20. The latest release of Microsoft Windows is called:
Vista
21. GRUB is an:
Boot loader
22. __________Is a family of programmable interrupt controller chips.
8259
23.card allows television signals to be received by a computer.
TV tuner
24. ________Is an IEEE 1394 implementation.
Fire Wire
25 ‘Windows protection error’ messages may result from:
Damage to the system registry
26 Sound Blaster line of audio cards were made by :
Creative Technology Ltd.
27 Indiscriminate sending of unsolicited bulk messages is known as :
Spamming.
28. The ‘blue screen of death’ may occur due to:
All the above
29. FAT manages files in contiguous groups of sectors called:
Clusters
30. The utility which can be used to clean the windows registry is:
regedit

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