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Information Technology (NCO)

It contains basics of IT. It can be used by 9 to 12 class students as well as others competitive exams.

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which key of the keyboard is used in conjunction with other keys to provide additional functionality on the keyboard?

  1. Esc key
  2. Ctrl key
  3. Insert key
  4. Delete key
  5. Enter key
Question 2 Multiple Choice (Single Answer)

Signed integers can be stored in one’s complement, two’s complement, or

  1. ASCII code
  2. Nibbles
  3. Unicode
  4. Signed magnitude representation
  5. IEEE 754 floating-point standard
Question 3 Multiple Choice (Single Answer)

MICR, OCR and OMR are examples of which of the following input devices?

  1. Keyboard
  2. Light Pen
  3. Scanner
  4. Mouse
  5. Microphone
Question 4 Multiple Choice (Single Answer)

_____________ defines how much information we have about a value.

  1. Range of a numeric integer
  2. Precision of a number
  3. Accuracy
  4. Binary value
  5. Value
Question 5 Multiple Choice (Single Answer)

What is the equivalent decimal value of 1100001B?

  1. 97
  2. 65
  3. 45
  4. 90
  5. 91
Question 6 Multiple Choice (Single Answer)

A nibble is a group of

  1. 4 bits
  2. 8 bits
  3. 1 bit
  4. 16 bits
  5. 32 bits
Question 7 Multiple Choice (Single Answer)

Which among the following is a speech input device?

  1. Microphones
  2. Bar code
  3. Keyboard
  4. Light Pen
  5. Joystick
Question 8 Multiple Choice (Single Answer)

What is the range of n-bit unsigned integer number?

  1. 2^n
  2. 0 to (2^n) - 1
  3. - 2^(n - 1) to + 2^(n - 1) - 1
  4. 0 to (2^n + 1)
  5. 0 to (2^n - 1) + 1
Question 9 Multiple Choice (Single Answer)

Which of the following memories is the fastest?

  1. Tape drive
  2. Disk
  3. RAM
  4. Registers
  5. Cache
Question 10 Multiple Choice (Single Answer)

Write the ASCII hexa code range for the uppercase letters A - Z.

  1. 97D to 122D
  2. 48D to 57D
  3. 41H to 5AH
  4. 65D to 90D
  5. 61H to 7AH
Question 11 Multiple Choice (Single Answer)

Which utilities perform hardware tests on particular devices to check if they are working correctly?

  1. System utilities
  2. Diagnostic utilities
  3. Systems software
  4. Control programs
  5. Operating system
Question 12 Multiple Choice (Single Answer)

In sign-magnitude representation, which number is used to define negative?

  1. 0
  2. - 1
  3. 1
  4. 2
  5. - 2
Question 13 Multiple Choice (Single Answer)

Which of the following memories is the biggest in size?

  1. Registers
  2. Tape drive
  3. Cache
  4. RAM
  5. Disk
Question 14 Multiple Choice (Single Answer)

Which of the following logic gates is true when either or both inputs are true?

  1. And gate
  2. Or gate
  3. X-or gate
  4. Not gate
  5. Nor gate
Question 15 Multiple Choice (Single Answer)

What is the storage capacity size of a Single Sided/Double layer DVD storage device?

  1. 8.5 Gb
  2. 17 Gb
  3. 9.4 Gb
  4. 4.7 Gb
  5. 700 Mb
Question 16 Multiple Choice (Single Answer)

Which among the following is an example of a magnetic storage?

  1. CD
  2. Flash memory
  3. Hard disk
  4. DVD
  5. CD-RW
Question 17 Multiple Choice (Single Answer)

The access time of a floppy disk is

  1. 9 ms/12 ms
  2. 10k to 100k per second
  3. 160 ms
  4. 2 k
  5. 1 k
Question 18 Multiple Choice (Single Answer)

The output device LCD stands for

  1. Liquid Crystal Display
  2. Light Crystal Display
  3. Liquid Compact Display
  4. Light Compact Disk
  5. Light Compact Display
Question 19 Multiple Choice (Single Answer)

Which among the following is an input device?

  1. Plotter
  2. Touch screen
  3. Printer
  4. LCD
  5. Monitor
Question 20 Multiple Choice (Single Answer)

Which action of mouse is used display a set of commands?

  1. Double click
  2. Drag and Drop
  3. Left click
  4. Right click
  5. Triple click
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