Q.1

Base is the same as radix.

  • True
  • False
Q.2

Convert the binary number 1001.0010 to decimal.

  • 125
  • 12.5
  • 90.125
  • 9.125
Q.3

Convert the binary number 1011010 to hexadecimal.

  • 5B
  • 5F
  • 5A
  • 5C
Q.4

If you borrow from a position that contains a 0, you must borrow from the more significant bit that contains aAll 0s up to that point become 1s, and the digit last borrowed from becomes a 0.

  • True
  • False
Q.5

The most significant digit is the rightmost, largest-weight digit in a number.

  • True
  • False
Q.6

Convert 110010012 (binary) to decimal.

  • 201
  • 2001
  • 20
  • 210
Q.7

The number of bits used to store a BCD digit is:

  • 8
  • 4
  • 1
  • 2
Q.8

Sample-and-hold circuits in ADCs are designed to:

  • sample and hold the output of the binary counter during the conversion process
  • stabilize the ADCs threshold voltage during the conversion process
  • stabilize the input analog signal during the conversion process
  • sample and hold the ADC staircase waveform during the conversion process
Q.9

What is the decimal value of the hexadecimal number 777?

  • 191
  • 1911
  • 19
  • 19111
0 h : 0 m : 1 s