Explicit Phrase: Lets say you are looking for content about internet marketing. Instead of just typing internet marketing into the Google search box, you will likely be better off searching explicitly for the phrase. To do this, simply enclose the search phrase within double quotes.
Example: “internet marketing”
Exclude Words: Lets say you want to search for content about internet marketing, but you want to exclude any results that contain the term advertising. To do this, simply use the “-“ sign in front of the word you want to exclude.
Example Search: internet marketing -advertising
Site Specific Search: Often, you want to search a specific website for content that matches a certain phrase. Even if the site doesn’t support a built-in search feature, you can use Google to search the site for your term. Simply use the “site:somesite.com” modifier.
Example: “internet marketing” site:www.smallbusinesshub.com
Similar Words and Synonyms: Let’s say you are want to include a word in your search, but want to include results that contain similar words or synonyms. To do this, use the “~” in front of the word.
Example: “internet marketing” ~professional
Specific Document Types: If you’re looking to find results that are of a specific type, you can use the modifier “filetype:”. For example, you might want to find only PowerPoint presentations related to internet marketing.
Example: “internet marketing” filetype:ppt
This OR That: By default, when you do a search, Google will include all the terms specified in the search. If you are looking for any one of one or more terms to match, then you can use the OR operator. (Note: The OR has to be capitalized).
Example: internet marketing OR advertising
Phone Listing: Let’s say someone calls you on your mobile number and you don’t know how it is. If all you have is a phone number, you can look it up on Google using the phonebook feature.
Example: phonebook:617-555-1212 (note: the provided number does not work – you’ll have to use a real number to get any results).
Area Code Lookup: If all you need to do is to look-up the area code for a phone number, just enter the 3-digit area code and Google will tell you where it’s from.
Example: 617
Numeric Ranges: This is a rarely used, but highly useful tip. Let’s say you want to find results that contain any of a range of numbers. You can do this by using the X..Y modifier (in case this is hard to read, what’s between the X and Y are two periods. This type of search is useful for years (as shown below), prices or anywhere where you want to provide a series of numbers.
Example: president 1940..1950
Stock (Ticker Symbol): Just enter a valid ticker symbol as your search term and Google will give you the current financials and a quick thumb-nail chart for the stock.
Example: GOOG
Calculator: The next time you need to do a quick calculation, instead of bringing up the Calculator applet, you can just type your expression in to Google.
Example: 48512 * 1.02
Word Definitions: If you need to quickly look up the definition of a word or phrase, simply use the “define:” command.
Example: define:plethora
Source: smallbusinesshub
If we install Winzip or other zip programs, then we might not longer use Windows XP build in Zip feature. Although Windows XP build in Zip feature make us convenience but its function is unitary. If you want to disable Windows XP build in Zip feature, click on “Start” menu, select “Run” and type regsvr32/u zipfldr.dll, click OK to remove, that’s all. 
Internet Explorer only allows maximum 2 downloads at the same time. If you want to download more than 2, then you have to configure something as below:-
If you have set the password to login to computer BIOS but you already forget it, you can go through the following steps to help you eliminate the BIOS password. Firstly, you have to use start up disk entering to DOS/Command Prompt.