Options: is a hardware memory device which denotes the location of the current instruction being executed., is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory., contains the address of the memory location that is to be read from or stored into., contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
. Which of the following statements about calculated fields is NOT true?
Options: a. A calculated field does not store data in a recordset.
b. Calculated fields use an expression or formula as its data source.
c. Data contained in a calculated field is created the first time a query is run.
d. A calculated field can be created using the Expression Builder dialog box.
The first industrial robot for commercial uses was installed in a Japanese plant at Toyota Automatic Loom Company, the parent company of the Toyota Automobile Group. When did this robot go into operation?
Options: June 1965, November 1966, December 1967, April 1970
Which of the following is not true of immediate processing?
Options: It is often used in real-time applications, It can occur with either sequential of direct-access files, It can be used in an airline-reservation system, Transactions are processed shortly after a real-world event occurs
Options: is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks., consists of those addresses that may be generated by a processor during execution of a computation., is a method of allocating processor time., allows multiple programs to reside in separate areas of core at the time.
Which SQL Query is use to remove a table and all its data from the database?
a. Create Table
b. Alter Table
c. Drop Table
d. None of these
Options: Every primary-key value must match a primary-key value in an associated table
B. Every primary-key value must match a foreign-key value in an associated table
C. Every foreign-key value must match a primary-key value in an associated table
D. Every foreign-key value must match a foreign-key value in an associated table
Ans:– c ,
Microcomputer-based control sysÂ¬tems
Options: will just keep their present capability, will have more standard industrial application software available in the future., will tend to increase in cost., All of the above