Answer the following statements true (T) or false (F)
1. Nonvolatile means that power must be continuously supplied to the memory to preserve the bit values.
2. The advantage of RAM is that the data or program is permanently in main memory and need never be loaded from a secondary storage device.
3. Semiconductor memory comes in packaged chips.
4. All DRAMs require a refresh operation.
5. A number of chips can be grouped together to form a memory bank.
1. False
2. False
3. True
4. True
5. True
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SQL, which stands for ____________, is a standard language for working with database management systems.
a. simultaneous query logic b. structured query language c. sequential query language d. standard quasi language
Which of the following statements is false?
a. A database can store more data more efficiently than sequential text files. b. When using a large amount of data, most developers prefer to use a DBMS. c. Visual Basic is used to interface with the user and a DBMS works directly with the data. d. Visual Basic statements can directly access database fields without using the DBMS.
Working with the Registry is easy for the inexperienced user.
Answer the following statement true (T) or false (F)
A computer cannot get on the Internet; what is the first thing you should check?
A. NIC driver B. Disk defrag C. Patch cable D. Firewall settings