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.
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 .
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.
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.
PROM (Programmable Read-Only Memory) is a memory chip on which data can be written only once. Once it is programmed, data is permanent and it cannot be erased. The information is stored permanently in the memory cell. We can only read that data but cannot write data on it.
A. eXPensive
B. eXPlore
C. eXPerience
D. eXtra Power
Whistler was officially unveiled during a media event on February 5, 2001, under the name Windows XP, where XP stands for “eXPerience”.
A. DVU
B. VUD
C. VDU
D. None of these
A monitor is an electronic visual computer display that includes a screen, circuitry and the case in which that circuitry is enclosed. Older computer monitors made use of cathode ray tubes (CRT), which made them large, heavy and inefficient. … A monitor is also known as a screen or a visual display unit (VDU).
A. AU
B. CU
C. ALU
D. LU
A. Bill Gates
B. Evan Spiegel
C. Robert E Kahn
D. Steve Woziak