Computer Aptitude for SBI PO. **Last year SBI Clerk and SBI PO** **2016** asked **Computer Aptitude Questions** instead of Computer Awareness Questions. This time also the same type of questions will be asked. Practice the following questions.

**Directions (1-5): A person has decided to buy a product from an online shopping website. So, different steps are given in the form of a data flow diagram. Study the given data flow diagram and answer the questions that follow.**

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

A) The person’s account is restricted to one item per order.

B) The person wants to have cash on delivery.

C) Shipping details of person is already saved in the account.

D) The person fills in the payment details correctly.

E) All of these

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

A) The cost of the product selected.

B) If more than one payment gateway is available then which to select.

C) The product is available or not.

D) The sections from which selection to be made.

E) These all are not important.

- After which step, shipping details should be asked?

A) After finalizing the cart items.

B) After the checkout step.

C) Before view cart.

D) After selecting the mode of payment.

E) Cannot be determined

- Which step will ensure that the product will be successfully ordered?

A) Product delivery is available at specific location.

B) Valid payment details are known.

C) Payment gateway is secured.

D) There is no other product in the cart before selecting the required product.

E) None of these.

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

A) Quantity of products to be added to cart.

B) If more than one payment gateway is available then which to select.

C) The catalogue is updated or not.

D) The options available for payment.

E) These all are not important.

**Directions (6-10): 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 @#@## written as?

A) 40

B) 32

C) 22

D) 20

E) 16

- What will be the multiplication of #@#@ and @##@@@?

A) 207

B) 187

C) 146

D) 123

E) 195

- What will the LCM of @#@# and @#@@@#?

A) 290

B) 245

C) 212

D) 230

E) 254

- What will be the addition of #@#@@ and @@#@?

A) @##@

B) @@###

C) @#@##

D) @#@@

E) #@@#@

- What will be remainder when @@##@ will be divided by @##@?

A) @#@

B) @##

C) @@@

D) #@@

E) #@#