The first computer made available for commercial use was________?A. MANIAC
B. ENIAC
C. UNIVAC
D. EDSAC

 

The UNIVAC I (UNIVersal Automatic Computer I) was the first commercial computer produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC.

 

Data in database at a particular point of time is called as?A. Intension
B. Extension
C. Back up
D. Application

The data in the database at a particular point of time is known as database instance of database state or snapshot. The database state is also called extension of the schema.

 

Which of the following commands is called as three-finger salute in computers ?A. Ctrl + Alt + Delete
B. Ctrl + Shift + Escape
C. Ctrl + Shift + Enter
D. Ctrl + Alt + Arrow key

Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del, also known as the “three-finger salute” or “Security Keys”) is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl + Alt + Delete .

 

Which of the following is used for very high speed searching applications ?A. Flash Memory
B. Content-addressable Memory
C. Dynamic Random Access Memory
D. Static Random Access Memory

Content-addressable memory (CAM) is a special type of computer memory used in certain very-highspeed searching applications. It is also known as associative memory.

 

The term GIGO is related to?A. Flexibility
B. Versatility
C. Automatic
D. Accuracy

Garbage in, garbage out (GIGO), in the context of information technology, is a slang expression that means regardless of how accurate a program’s logic is, the results will be incorrect if the input is invalid. … So GIGO is related to accuracy of output which, in turn’ is dependent on the accuracy of inputs.