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Q.24Which will be the output of following program?

^#iⁿ^c^l^u^d^e^<^s^t^d^io.^h^>

^void^maⁱⁿ⁽⁾

{

ⁱⁿ^t^a^;

^p^riⁿ^tf⁽^“^%^d^\ⁿ^”^a)

}

⁽^d^{) |}⁽^pⁱ^p^elⁱⁿ^e)

⁽^a)^E^rr^o^r⁽^b⁾⁰^(c)^-¹⁽^d⁾^Gar^b^age^val^u^e

Q.25Which will be the output of following program?

^#iⁿ^c^l^u^d^e^<^s^t^d^io.^h^>

^void^maⁱⁿ⁽⁾

{

int x=10,y=20,z=5,i; i=x

}

⁽^a)0⁽^b⁾¹^(c)^Er^r^or⁽^d⁾^N^oⁿ^e^{of a}^b^ove

Q.26Which of the following variable declaration is correct?

⁽^a)int^l^eⁿ^g^t^h⁽^b^)c^h^arⁱⁿ^t^(c)ⁱⁿ^{t lo}ⁿ^g⁽^d⁾^All

_Q_.27_I_f_t_h_e_f_o_l_l_o_wi_ng_p_a_i_r_o_f_s_t_a_t_e_m_e_n_t_s_a_re_w_r_i_t_t_en_cons_e_c_u_t_i_ve_l_y,_w_hi_c_h_o_f_t_h_em_i_s_i_nco_r_re_c_t_?

(a)short int j=255; j=j; (c)float a=3.14; a=a%3;

(b)long int k=365L; k=k; (d)int i=35;i=i%5;

Q.28 Which statement is correct for the comment used in C programming? (a)Comments are used to have some explanations in the programmers source code (b)only if a line begin with double slash, it is a comment

^(c⁾^C^om^m^ent^deci^d^e^t^h^e^s^e^qu^ence^o^f^o^p^eratⁱ^oⁿ^{s in t}^h^e^p^r^o^g^r^a^m

(d)Comments must be outside the curly braces

_Q₂₉_T_he_p_rep_r_oc_e_s_s_or_d_i_rec_t_i_ve_i_n_‟_C_‟_p_r_ogr_a_m_m_i_{ng langua}_g_{e be}_g_i_ns_w_i_t_h

⁽^a)^H^ash^sigⁿ⁽^#)

(c)Less than symbol

(b)Backslash and asterisk(/*) (d)Two back shash(//)

Q.30 Every C program should compulsorily have a function called as:

⁽^a)star^t⁽⁾⁽^b⁾^S^t^ar^t⁽⁾^(c)^maiⁿ⁽⁾

Q.31 A block comments begins and ends with?

(a)Start with / and end with // (b)Start with /* and end with */

(d)Main()

_Q_.32_Whi_c_h_o_f_t_he_f_o_l_l_o_w_i_{ng can}_n_ot_b_{e u}_s_ed_i_n_i_de_n_t_i_fi_er_s_?

⁽^a)Le^tt^ers⁽^b⁾^S^p^aces^(c)^Un^d^ersco^r^e

_Q_.33W_h_i_ch_o_f_t_he_f_o_l_l_o_w_i_{ng is}_i_nv_a_li_d_i_de_n_t_i_fi_e_r?

⁽^d⁾^D^igi^t^s

⁽^a)priⁿ^tⁿ^ame⁽^b^)w^ri^t^eⁿ^ame^(c)^t^yp^en^ame⁽^d⁾^p^a^p^e^rⁿ^ame

Q.34 The difference between a and „a‟ is

(a)The first one refers to a variable whose identifier is a and the second one refers to the character constant a

(b)The first one is a character constant a and second one is the string literal a

^(c)B^o^t^h^are^same

⁽^d⁾^N^oⁿ^e^{of a}^b^ove

Q.35 Which of the following is not a valid escape code? (a)\f (b)\w (c)\\ (d)\? Q.36 const int width=100;

Regarding the above statement which of the statements is true?

(a)Declares a variable width initialized as 100 (b)Declares a construction with initialized as 100

(c)Declares a integer type constant width with a fixed value of 100 (d)Constructs an integer type variable with width a value 100

Q.37 For an assignment statement

(a)The left side value of the assignment operator must always be a variable

^{(b)The ri}^gh^t^si^d^e^v^al^u^e^o^f^t^h^e^assi^gnm^ent^o^p^era^t^o^r^mⁱ^gh^t^b^e^a^c^oⁿ^stan^t^{, a}^v^arⁱ^a^b^l^e,^an^e^xpressⁱ^oⁿ^o^{r any}

combination of these

(c)The assignment always takes place from right to left and never the other way

⁽^d⁾^All^{of a}^b^ove

Q.38 For the assignment statement :a=b; Which of the following statement is true?

(a)A check is done to compare the values of a and b

(b)The value of b is assigned to variable a and any further changes in the program on variable b will also change the value of variable a

(c) The value of b is assigned to variable a and any further changes in the program on variable b will not change the value of variable a

(d) The value of b is assigned to variable b and any further changes in the program on variable a will not change the value of variable b

_Q_.39_w_h_i_ch_o_f_t_he_f_o_ll_o_w_i_ng_wi_l_l_not_va_l_i_{d e}_x_pre_s_s_i_o_ns_i_n_C_?

(a) a=2+(b=5); (c)a=11%3

(b)a=b=c=5; (d)b+5=2

Q.40 Which of the following will not increase the value of variable c by 1? (a) c++; (b)c=c+1; (c)c+1>=c; (d)c+=1; Q.41 When following code is executed ,what will be the values of a and b? B=3;

^A=^b⁺⁺^;

^(a)a^c^oⁿ^taiⁿ^s³^and^b^c^oⁿ^t^aⁱⁿ^{s 4}

(c)a contains 4 and b contains 3

^{(b)a c}^oⁿ^taiⁿ^{s 4}^and^b^c^oⁿ^t^aⁱⁿ^{s 4}

(d)a contains 3 and b contains 3

_Q_.42_T_he_res_u_l_t_o_f_r_e_l_a_t_i_o_n_al_op_e_ra_t_o_{r op}_e_ra_t_o_r_i_{s a}_l_w_ays

⁽^a)ei^th^er^t^r^u^e^o^r^f^alse

^(c⁾^eit^h^er^eq^u^al,^l^e^ss^o^r^mo^r^e

(b)either less than or more than

⁽^d⁾^N^oⁿ^e^{of a}^b^ove

Q.43 which of the following is not a valid relational operator?

⁽^a)==⁽^b⁾^=>^(c)^>=⁽^d⁾^<=
Q.44 The default standard output device for C programs is

(a)Modem (b)Monitor (c)Disk (d)Printer

Q.45The default standard input device for C++ program is

⁽^a)M^ou^se⁽^b⁾^Scaⁿⁿ^er^(c)^Key^b^oard⁽^d⁾^N^oⁿ^e^{of a}^b^ove
_Q_.46W_h_{en re}_q_ue_s_ti_ng_m_u_l_t_i_ple_i_n_p_u_t_s_f_r_o_m_t_he_u_s_e_r_,_t_hey_m_u_s_t_be_s_epar_a_t_ed_b_y

(a)a space

^(c)^aⁿ^ew^liⁿ^e^c^h^arac^t^er

(b)a tab character

(d)any of the above

Q 47 The “return 0 ”statement in main function indicates

(a)The program did nothing i.e. completed zero tasks (b)The program will be executed without any error (c)The program has not yet completed the execution (d)None of the above

Q.48 What value must be returned to the operating system on the successful completion of a program?

(a)0 (b)-1 (c)1 (d)Programs should not return a value

Q.49 What is the only function all programs must contain ?

⁽^a)star^t⁽⁾⁽^b⁾^s^y^s^t^e^m⁽⁾^(c)^maiⁿ⁽⁾⁽^d⁾^p^r^o^gram

Q.50 What is the function from where C programs begins their execution?

⁽^a)star^t⁽⁾⁽^b⁾^b^egiⁿ⁽⁾^(c)^maiⁿ⁽⁾⁽^d⁾^p^r^o^gram()

Q.51What punctuation is used to indicate the start and end of code blocks? (a) {and} (b) (c)[and] (d)(and) Q.52 Which of the following is the correct way of writing comments?

⁽^a)*^/^c^omm^ent^s^/^*

(c)**comment**

⁽^b⁾^/^*comment^*^/

(d){comment}

_Q_.53_Whi_c_h_o_f_t_he_f_o_l_l_o_w_i_{ng is}_n_o_t_{a n}_a_m_e_o_f_d_a_t_a_t_ype_i_n_C_?

⁽^a)do^ub^le

^(c)ⁱⁿ^t

⁽^b⁾^f^loa

^t⁽^d⁾^r^e^al

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