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Question 541

UP police computer operator 2016• Computer Science

Which of the following is a sequential access memory?

  1. AOption (a)

    DVD

  2. BOption (b)

    RAM

  3. COption (c)

    ROM

  4. DOption (d)

    Magnetic tape

View answer & explanation

Correct answer

Answer: (a)A.

DVD

Explanation not yet available.

Question 542

UP police computer operator 2016• Computer Science

Gray code of decimal 3 is : 

  1. AOption (a)

    1001

  2. BOption (b)

    0010

  3. COption (c)

    0110

  4. DOption (d)

    1100

View answer & explanation

Correct answer

Answer: (a)A.

1001

Explanation not yet available.

Question 543

UP police computer operator 2016• Computer Science

Equivalent form of boolean expression A'B' + AB' + A'B is :

  1. AOption (a)

    A + B

  2. BOption (b)

    A'B'

  3. COption (c)

    AB

  4. DOption (d)

    A' + B'

View answer & explanation

Correct answer

Answer: (a)A.

A + B

Explanation not yet available.

Question 544

UP police computer operator 2016• Computer Science

Which of the following is weak entity?

  1. AOption (a)

    Publisher

  2. BOption (b)

    Book

  3. COption (c)

    Edition

  4. DOption (d)

    Author

View answer & explanation

Correct answer

Answer: (a)A.

Publisher

Explanation not yet available.

Question 545

UP police computer operator 2016• Computer Science

Which of the following is a sequential circuit? 

  1. AOption (a)

    Decoder

  2. BOption (b)

    Binary Adder

  3. COption (c)

    multiplexer

  4. DOption (d)

    Register

View answer & explanation

Correct answer

Answer: (a)A.

Decoder

Explanation not yet available.

Question 546

UP police computer operator 2016• Computer Science

Which of the following option is example of whole duplex communication equipment. 

  1. AOption (a)

    Telivision

  2. BOption (b)

    Radio

  3. COption (c)

    Telephone

  4. DOption (d)

    Walkie-talkie

View answer & explanation

Correct answer

Answer: (a)A.

Telivision

Explanation not yet available.

Question 547

UP police computer operator 2016• Computer Science

For class D IP address, the higher state of bits for first octacte is :

  1. AOption (a)

    110

  2. BOption (b)

    1110

  3. COption (c)

    1111

  4. DOption (d)

    100

View answer & explanation

Correct answer

Answer: (a)A.

110

Explanation not yet available.

Question 548

UP police computer operator 2016• Computer Science

In TCP protocol header, the size of checksum is _______ bits.

  1. AOption (a)

    8

  2. BOption (b)

    4

  3. COption (c)

    16

  4. DOption (d)

    32

View answer & explanation

Correct answer

Answer: (a)A.

8

Explanation not yet available.

Question 549

UP police computer operator 2016• Computer Science

The smallest size of font in MS-Word can be :

  1. AOption (a)

    1

  2. BOption (b)

    0.5

  3. COption (c)

    0

  4. DOption (d)

    2

View answer & explanation

Correct answer

Answer: (a)A.

1

Explanation not yet available.

Question 550

UP police computer operator 2016• Computer Science

2's complement of binary number 101110 is : 

  1. AOption (a)

    010100

  2. BOption (b)

    010010

  3. COption (c)

    111101

  4. DOption (d)

    011100

View answer & explanation

Correct answer

Answer: (a)A.

010100

Explanation not yet available.
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