Computer Aptitude Questions for SBI PO 2017.

**Directions (1-5):** A student has come to a University to get enrolled. The data flow diagram shows the procedure followed by university for the enrollment of a student

- If the registration form filled by the student is declared invalid, then to which of the following steps does the ‘No’ answer of ‘Valid?’ condition does go to?

A) Asks Course

B) Enrollment Cancel

C) Fill Registration Form

D) Either A or C

E) Either B or C

- Which of the following condition will decrease the data flow diagram to minimum number of steps?

A) The student has the required course fee.

B) The student is ready to get enrolled in any course.

C) The student has already collected the registration form before any enquiry.

D) Both A and B

E) All of A, B and C

- If after knowing the course fee, it is found that the candidate does not have the sufficient amount, but he wants to take admission in the same university. Then which another step can be definitely followed after ‘No’ answer of ‘Funds Available?’ condition?

A) The candidate should fill another registration form.

B) The candidate gets the required amount from home.

C) The candidate enquires about another course

D) The candidate’s candidature will surely be cancelled

E) The candidate asks to calculate fee for another course.

- Which of the following step is logically missing in the given data flow diagram?

A) Which transport facility will the candidate opt for coming to university.

B) If the candidate is already registered or not

C) The candidate is eligible or not.

D) Candidate’s enquiry about class timings, holidays, etc.

E) None of these

**Directions (5-10): Study the following information and answer the questions that follow:**

In a certain code, the symbol for 0 is # and for 1 is @. The numbers greater than 1 are to be represented using these two symbols only. The value of the symbol for 1 doubles itself every time it shifts one place to the left. Study the following examples.

‘0’ is written as # ‘1’ is written as @

‘2’ is written as @# ‘3’ is written as # @@

‘4’ is written as @## ‘5’ is written as @#@

And so on

- What will be (@##@#@) – (@#@@)

A) 22

B) 32

C) 26

D) 30

E) 33

- What will be (@#@# – 1) × (@@@# – 1)

A) @@@#@@#

B) @@#@@#@

C) @@@@#@

D) @@@#@#@

E) @@@###@

- What will be √[(@###@) + (@#@#) + (@##@##@)]

A) 8

B) 10

C) 11

D) 13

E) 12

- What will be the remainder of when (@@@#@#@) is divided by (@##@@)

A) @@#

B) @#@

C) @##

D) @#

E) @@

- What is the HCF of (@@#@@#) and (@@####)

A) @##

B) @@@

C) @#@

D) @@#

E) None of these

- What will be (@#@#) + (@#@@@#)

A) 50

B) 52

C) 56

D) 48

E) 45

dfd samj nhi aaya mam…… explain the 2nd and 3rd one….mam…:(((

Ask the doubt

2nd one and 3rd one ….mam..:))

explanation is given na

usme kya doubt hai ??

step kha reduce ho rha h mam…:))))))

ask course hatega aisa mam…?????

Yes. Yhi

okzzz mam now got the point aise questions k liye kya krna padega means any extra thinking to be applied ya statement assumptions ki tarh jo dia h srf usi me se deduce krna h mam…:)))))

Yes usi me se.

Jo pta hai vo use nhi karna.

Cz is dfd me u can think ki vo phle hi course fees pta krke rakhta. Money utna hi leke ata.

I mean normally we people do like this only.

But jo dfd me h vahi follow karo

yaaaa…..mam same mistk i followed the abov point…….thank yuu mam so mch…:)))))

Ek step reduce hua na.

Phle usne course ka naam btaya tha. N then pta ki vo available hai ya nhi. – 2 steps

Par ab usne yhi puch liya ki konsa available hai. – 1 step

mam in 6th que something rong 1010 =10 1001 =9 mam

1011 =13 and 1010 =14 in that case 140 is coming..instead of 117…mam..;)))

Yes updated.

que 6me 10aur 14 kese aaye ye samja do plz.ye nayi computer apptitude samaj nahi aa rahi h..koi link ho to do samaj ne k iye

In Q6, why you’ve subtracted 1 from both the no. and then multiplied!.

Yes. Updated

ye coding system smjh nai ata 5–10 koi smjha do??????????????

symbol ones #@????

????

mtlb jo # @ wale symbol k questions h uski bt kr rhr h aap????

haaan ji likha to h 5-10

then use binary conversion of decimal no…..:)))

agr possible ho to step by step clear kr do???

jase 10 decimal no h na decimal means base 10

isko divide krte h 2 se to 5 tyms rem =0

now 5 ko devide 2 se to 2 tyms rem =1

now 2 ko divide krte h 2 se to 1 tyms rem =0

now 1 ko divide kro 2 se to zro tyms rem =1

now arrange the remainders frm last to first = 10 =1010

aise hi same procedure apply krna h …hope u got my point…:))

See 1st set for explanations.

N see the comments in 2nd set

u should see videos for it on youtube if not getting it by written steps..

okk now i have fully understood this topic

ma’am ques 6

@#@# = 10

@@@# = 14

in dono ki value 10 and 14 kaise aayi???

@#@# = 1010

2^3 * 1 + 2^2 * 0 + 2^1 *1 + 2^0 * 0

8 + 2

Next vala try karo khud

thank u ma’am 🙂

next one is done

@Shubhra_AspirantsZone:disqus maam in q4 why ‘c’ cannot be a right option

thankyou mam 🙂

Q1 me C kese ho sakta he ? Diagram me to enrollment cancel he na

see that the no option of Valid is not connected to anywhere

so depending on conditions, again filling of form can be there or enrollment cancel

Could you please update more binary calculation quizzes for sbi po mains??

Could you please update more binary calculation quizzes for sbi po mains??