1. The operation is specified by a binary code known as the ?
Operand code
Opcode
Source code
Command Code
Answer: Option B
2. Which interface is an entity that controls data transfer from external device, main memory and or CPU registers ?
CPU interface
I/O interface
Input interface
Output interface
Answer: Option B
3. In which addressing the operand is actually present in instruction ?
Factual addressing
Instruction addressing
Extra addressing
Immediate addressing
Answer: Option D
4. Tiny droplets of coloured ink and nozzle is associated with ?
Dot matrix
Laser Printer
Inkjet printer
Daisy wheel printer
Answer: Option C
5. Which among following are used for printing big charts, drawings, maps and 3 dimensional illustrations specially for architectural and designing purposes ?