Computer System Architecture

251. Which number system has a base of 16:

  1. Binary number system
  2. Octal number system
  3. Decimal number system
  4. Hexadecimal number system

Correct answer: (D)
Hexadecimal number system

252. Counting in hex, each digit can be increment from ____________:

  1. 0 to F
  2. 0 to G
  3. 0 to H
  4. 0 to J

Correct answer: (A)
0 to F

253. Which number can be converted into binary numbers by converted each hexadecimal digit to 4 bits binary equivalent using the code:

  1. Binary number
  2. Decimal number
  3. Octal number
  4. Hexadecimal number

Correct answer: (D)
Hexadecimal number

254. One way to convert from decimal to hexadecimal is the ____________:

  1. Double dabble method
  2. Hex dabble method
  3. Binary dabble method
  4. All of these

Correct answer: (B)
Hex dabble method

255. Binary numbers can also be expressed in this same notation by ____________ representation:

  1. Floating point
  2. Binary point
  3. Decimal point
  4. All of these

Correct answer: (A)
Floating point

256. How many parts of floating point representation of a number consists:

  1. 4
  2. 2
  3. 3
  4. 5

Correct answer: (B)
2

257. The first part of floating point represents a signed fixed point number called:

  1. Exponent
  2. Digit
  3. Number
  4. Mantissa

Correct answer: (D)
Mantissa

258. The second part of floating point designates the position of the decimal point and is called:

  1. Mantissa
  2. Binomial
  3. Octal
  4. Exponent

Correct answer: (D)
Exponent

259. The fixed point mantissa may be ____________ or ____________:

  1. Fraction
  2. Integer
  3. Both
  4. None of these

Correct answer: (C)
Both

260. The number of bit required to express ____________ and ____________ are determined by the accuracy desired from the computing system:

  1. Exponent
  2. Mantissa
  3. Both
  4. None f these

Correct answer: (C)
Both

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