**UGC NET PREPARATION ON WHATSAPP GROUP JUST MESSAGE ON 94178-24400 “JOIN NET GROUP”**

*COACHING FOR UGC NET AND GATE COMPUTER SCIENCE IN JALANDHAR BY IIT’ans. CALL 94178-24400*

*TUITIONS IN JALANDHAR FOR BCA MCA BSC BA PGDCA BCOM MCOM PROJECTS IN ASP PHP JAVA WEB DESIGNING AT LOW COST ALL SUBJECTS ALL CLASSES CALL 94178-24400*

**1 Consider a set A = {1, 2, 3, …….., 1000}. How many members of A shall be divisible by 3 or by 5 or by both 3 and 5 ?**

** (A) 533 (B) 599**

** (C) 467 (D) 66**

** Answer: C**

** 2. A certain tree has two vertices of degree 4, one vertex of degree 3 and one vertex of degree 2. If the other vertices have degree 1, how many vertices are there in the graph?**

** (A) 5 (B) n – 3**

** (C) 20 (D) 11**

** Answer: D**

** 3. Consider the Graph shown below :**

**This graph is a ……………**

**(A) Complete Graph (B) Bipartite Graph**

**(C) Hamiltonian Graph (D) All of the above**

**Answer: C**

**A computer program selects an integer in the set {k : 1 ≤ k ≤ 10,00,000} at random and prints out the result. This process is repeated 1 million times. What is the probability that the value k = 1 appears in the printout atleast once ?**

**(A) 0.5 (B) 0.704**

**(C) 0.632121 (D) 0.68**

**Answer: C**

**If we define the functions f, g and h that map R into R by :**

**f( x) = x^{4}, g(x)=√(x^{2}+1), h(x) = x^{2}+72, then the value of the composite functions ho(gof) and (hog)of are given as**

**(A) x^{8} – 71 and x^{8} – 71**

**(B) x^{8} – 73 and x^{8} – 73**

**(C) x^{8} + 71 and x^{8} + 71**

**(D) x^{8} + 73 and x^{8} + 73**

**Answer: D**

**The BCD adder to add two decimal digits needs minimum of**

**(A) 6 full adders and 2 half adders**

**(B) 5 full adders and 3 half adders**

**(C) 4 full adders and 3 half adders**

**(D) 5 full adders and 2 half adders**

**Answer: D**

**The Excess-3 decimal code is a self-complementing code because**

**(A) The binary sum of a code and its 9’s complement is equal to 9.**

**(B) It is a weighted code.**

**(C) Complement can be generated by inverting each bit pattern.**

**(D) The binary sum of a code and its 10’s complement is equal to 9.**

**Answer: A, C**

**How many PUSH and POP operations will be needed to evaluate the following expression by reverse polish notation in a stack machine (A * B) + (C * D/E) ?**

**(A) 4 PUSH and 3 POP instructions**

**(B) 5 PUSH and 4 POP instructions**

**(C) 6 PUSH and 2 POP instructions**

**(D) 5 PUSH and 3 POP instructions**

**Answer: B**

**The range of representable normalized numbers in the floating point binary fractional representation in a 32-bit word with 1-bit sign, 8-bit excess 128 biased exponent and 23 bit mantissa is**

**(A) 2 ^{–128} to (1 – 2^{–23}) × 2^{127}**

**(B) (1 – 2 ^{–23}) × 2^{–127} to 2^{128}**

**(C) (1 – 2 ^{–23}) × 2^{–127} to 2^{23}**

**(D) 2 ^{–129} to (1 – 2^{–23}) × 2^{127}**

**Answer: D**

**The size of the ROM required to build an 8-bit adder/subtractor with mode control, carry input, carry output and two’s complement overflow output is given as**

**(A) 2 ^{16} × 8 (B) 2^{18} × 10**

**(C) 2 ^{16} × 10 (D) 2^{18} × 8**

**Answer: B**

My brother suggested I would possibly like this web site.

He was totally right. This publish truly made my day. You cann’t imagine simply how so much time I

had spent for this information! Thank you!

Amazing article!! This webpage simply keeps me coming. I enjoyed the energy which you put into it as well as enjoy browsing all of the posts. Thanks a great deal and keep the excellent work up!