Chapter 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Charles Bachman | A pioneer in database systems
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| John Backus | Developed FORTRAN for IBM (1954)
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| Bob Bemer | Served on the committee which defined the ASCII character codeset in 1960
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| Dr. E. F. Codd | Inventor of relational database theory in the 1970s
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| Frank Dodge | (blank)
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| Dr. James Goodnight | (blank)
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| John Kemeny (deceased) | (blank)
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| Thomas Kurtz | Invented BASIC in 1964
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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