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More Computer Hardware Related questions:
You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
Computers normally solve problem by breaking them down into a series of yes-or-no decisions represented by 1s and 0s. What is the name of the logic that allows computers to assign numerical values that fail somewhere between 0 and 1?
Options: Human logic, Fuzzy logic, Boolean logic, Operational logic
Which of the following is not true about modifying table columns?
Options: You can drop a column at any time., You can add a column at any time as long as it is a NULL column., You can increase the number of characters in character columns or the number of digits in numeric columns, You cannot increase or decrease the number of decimal places.
Â Which of the following file format supports in Windows 7?
A) Â NTFS
B) Â BSD
C) Â EXT
D) Â All of the above
Ans:â€“ A ,
Advantages of Relational Database Management systems are
Options: Flexibility, of relating different logical files, Security controls can be more easily implemented., Data independence since it allows the database to grow by adding new attributes and relations., All of the above
Options: a. Reports can be used to retrieve data from tables and calculate
b. Queries can be printed in well formatted manner and presented as the information
c. Queries can include calculated fields that do not exist in table
d. Reports and forms are similar but forms are use to print but reports to display on screen only
Options: a. by holding Ctrl key, click on existing Guide Line and drag b. by holding Alt key, click on existing Guide Line and drag c. by holding Ctrl + Alt key, click on existing Guide Line and drag d. Additional Guide Lines cannot be created