1.What is ‘Solder Mask’? Explain its significance in PCB fabrication 2. What is ‘Silk Screen’ and ‘Silk Screen Printing’? Explain their significance in PCB fabrication. 3. What is ‘Conformal Coating’ in the PCB context? Explain its signifi cance in hardware maintenance.
4. Which of the following is a processor understandable language?
(a) Assembly language (b) Machine language (c) High level language
5. Assembly language is the human readable notation of?
(a) Machine language (b) High level language (c) None of these
6. Consider the following piece of assembly code
Here ‘ORG’ is a
(a) Pseudo-op (b) Label (c) Opcode (d) Operand
7. Translation of assembly code to machine code is performed by the
(a) Assembler (b) Compiler (c) Linker (d) Locator
8. A cross-compiler converts an embedded ‘C’ program to
(a) The machine code corresponding to the processor of the PC used for application development
(b) The machine code corresponding to a processor which is different from the processor of the PC used for application development