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.
1. 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
Answer: B
2. 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.
Answer: C
3. 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
Answer: E
4. 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.
Answer: B
5. 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.
Answer: D
6. Convert the given Decimal number into Binary form – 175
A. [latex]10001111_{2}[/latex]
B. [latex]11111010_{2}[/latex]
C. [latex]11101011_{2}[/latex]
D. [latex]10101111_{2}[/latex]
E. None of these
Answer: D
7. WWW stands for?
A. World Whole Web
B. Wide World Web
C. Web World Wide
D. World Wide Web
Answer: D
8. Which among following the first generation of computers had?
A. Vaccum Tubes and Magnetic Drum
B. Integrated Circuits
C. Magnetic Tape and Transistors
D. All of above
Answer: A