21. A real number consists of A. Integer part B. Integer part and fraction part C. Integer part, fraction part along with positive or negative sign D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
22. Using DeMorgan’s Theorem we can convert any AND-OR structure into A. NAND-NAND B. OR-NAND C. NAND-NOR D. NOR-NAND Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
23. If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is A. A larger floating point number B. A smaller floating point number C. Either A or B depending on the actual number D. A negative floating point number Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
24. The operating modes of 8255 A are called A. Mode 0 and mode 1 B. Mode 0, mode 1 and mode 2 C. Mode 0 and mode 2 D. Mode 0, mode 2 and mode 3 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
25. In C the keywords are also called A. Special words B. Reserved words C. Class words D. Character words Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
26. The forms of IF statements in FORTRAN 77 are called A. Logical IF and Block IF B. Logical IF, block IF and arithmetic IF C. Logic IF, block IF, arithmetic IF and negate IF D. Logical IF and arithmetic IF Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
27. Which of the following conditions is not allowed in an RS latch? A. R is asserted, S is asserted B. R is asserted, S is negated C. R is negated, S is asserted D. R is negated, S is negated Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
28. If m is a power of 2, the number of select lines required for an m-input mux is: A. m B. 2^m C. log2 (m) D. 2*m Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
29. The timing difference between a slow memory and fast processor can be resolved if A. Processor is capable of waiting B. External buffer is used C. Either A or B D. Neither A nor B Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
30. Which memory has read operation, byte erase, byte write and chip erase? A. RAM B. UVEPROM C. EEPROM D. Both B and C Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
