GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 900 - 902 of 2080

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Question 900

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Find the false statement: (December paper III)

Choices

Choice (4)Response

a.

In Modern Cryptography, symmetric key algorithms use same key both for Encryption and Decryption.

b.

The symmetric cipher DES (Data Encryption Standard) was widely used in the industry for security product.

c.

The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits.

d.

Public key algorithms use two different keys for Encryption and Decryption.

Question 901

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Given a flow graph with nodes, edges and one connected components, the number of regions and the number of predicate (decision) nodes in the flow graph will be (December paper III)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 902

Appeared in Year: 2013 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following: (December paper III)

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Register Addressing

(i)

Is not used when an operands is moved from memory into a register or from a register to memory.

(B)

Indexed Addressing

(ii)

Addressing memory by giving a register plus a content offset

(C)

Direct Addressing

(iii)

Memory address is computed by adding up two registers plus an (Optional) offset.

(D)

Base- Indexed Addressing

(iv)

Can only be used to access global variables whose address is known at compile time.

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iv)
  • (i)
  • (iii)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (ii)
  • (iv)
  • (iii)
  • (i)

d.

  • (i)
  • (ii)
  • (iv)
  • (iii)

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