Answer the following statements true (T) or false (F)
1. SQL uses a grid to select query records.
2. QBE uses a series of words and commands to select the rows and columns for a query.
3. The foremost concern when designing from an HCI perspective will always be assisting a user in accomplishing a task, set by the organization, with the use of technology.
4. No special skills are required of the user who interfaces with the computer using natural language.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
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____________________shift keying is a binary modulation similar to phase modulation.
Fill in the blank(s) with the appropriate word(s).
A ________ uses a combination of uppercase and lowercase letters, special characters, numbers, and spaces in a character string
A) strong password B) keyword C) encrypted password D) weak password
When an application is running, you can use the ____ control to move from one record to the next in the dataset, as well as to add or delete a record and save any changes made to the dataset.
A. DataSet B. BindingNavigator C. TableAdapter D. BindingSource
National ISDN is applicable in some parts of North America, while EuroISDN is found in Europe.
a. True b. False