3i Infotech Placement: Sample Questions 731 - 732 of 1245
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Question 731
Explanation
- is bit- also called because it executes 8 bit of data at a time.
- It clock speed is MHz that is clock cycle is ns.
- It has basic instructions and opcodes.
Question 732
Question MCQ▾
What file is read by ODBC to load drivers?
Choices
Choice (4) | |
---|---|
a. | ODBC. DLL |
b. | ODBC. INI |
c. | ODBCDRV. INI |
d. | All of the above |
Answer
b.Explanation
- ODBC. INI is used to load drivers.
- Data source names for data sources in a database is in the odbc. ini file.
- Open database provides a standard interface that allows one application to access many different data sources.
- The application՚s source code does not have to be recompiled for each data source.
- A database driver links the application to a specific data source.
Loading drivers:
- Accessing device that is associated with a device driver- load drivers.
- We can use modload command to load the driver into memory.
- Modload does not call any routines.
- This method opens the device.
The ODBC interface defines the following:
- A library of ODBC function calls that allows an application to connect to a data source, execute structured query language statements, and retrieve results.
- A standard set of error codes.
- A standard way to connect to and log in to a data source.
- A standard representation for data types.