Digital Logic Design Mid - I, September - 2014

1.The name _________is used for the opposite and when the lower byte addresses are used for less significant bytes.
  • Big endian
  • little-endian
  • both
  • none
Answer: B
2.The ____operand is in memory location.
  • Absolute mode
  • Register mode
  • Immediate mode
  • indirect mode
Answer: B
3.In computer words 210 is referred to__________.
  • Mega
  • kilo
  • Giga
  • tera
Answer: C
4.Convert (0.513)10 to octal.
  • (0.406517)8
  • (0.306517)8
  • (0.416517)8
  • (0.316517)8
Answer: A
5.Can OR terms is called.
  • Max terms
  • min terms
  • both
  • none
Answer: A
6.A register is a group of _______.
  • Gates
  • circuits
  • Flip-flops
  • none
Answer: C
7.Addition of two bits called __.
  • Half
  • Full
  • parallel
  • A & B
Answer: A
8.Copy 9th bit but for N = 0.
  • 0
  • N
  • r
  • r - n
Answer: A
9.Floating point is always interpreted to represent a no in ________form.
  • Mxr
  • m*a
  • mxre
  • r*m
Answer: C
10.In SR flip flop R stands for___.
  • Ready
  • Reset
  • Register
  • Relay
Answer: B
11.The list of instructions is called computer program and internal storage is called _____________.
Answer: Computer memory
12.The function of memory unit is to store programs and _________________.
Answer: Data
13.All activities inside the machine are directed by the ___________________.
Answer: Control unit
14.The NOR operator is dual of the _____________operator.
Answer: NAND
15.An Encoder is a digital circuit that performs the _______operations of a decoder.
Answer: Inverse
16.The selection of a particular input line is controlled by a set of ________________.
Answer: Selections
17._____________ means many inputs and one output.
Answer: Multiplexer
18.The sum of two n digits occupies n+1 digit then ____________occurs.
Answer: over flow
19.The floating point representation of a number has two parts first part called _____________.
Answer: Mantissa
20.The most common error detecting code used is called ____________bit.
Answer: Parity