Q.1

Solving –11 + (–2) will yield which two's-complement answer?

  • 1110 1101
  • 1111 1001
  • 1111 0011
  • 1110 1001
Q.2

Constants must be included in a package.

  • True
  • False
Q.3

10011100 in two's-complement notation has a decimal value of –100.

  • True
  • False
Q.4

A macrofunction is a self-contained description of a logic circuit with all of its inputs, outputs, and operational characteristics defined.

  • True
  • False
Q.5

Binary division and decimal division use the same procedure.

  • True
  • False
Q.6

A 74HC283 can be used to implement a 4-bit full adder.

  • True
  • False
Q.7

A full adder has a carry-in.

  • True
  • False
Q.8

Binary numbers can be added together in a basic parallel-adder circuit when ________.

  • negative numbers are in 2's-complement form
  • negative numbers are in 1's-complement form
  • all carry pins are grounded
  • all negative numbers are noted
Q.9

Subtract the following binary numbers.

0101 1000 &nbsp 1010 0011 &nbsp 1101 1110
–0010 0011 &nbsp –0011 1000 &nbsp –0101 0111
  • 0011  0100    0110  1010    1000  0110
  • 0011  0101    0110  1011    1000  0111
  • 0011  0101    0110  1010    1000  0111
  • 0011  0101    0110  1010    1000  0110
Q.10

The binary adder circuit is designed to add ________ binary number(s) at a time.

  • 1
  • 3
  • 2
  • 5
Q.11

The 2's-complement system is to be used to add the signed binary numbers 11110010 andDetermine, in decimal, the sign and value of each number and their sum.

  • –113 and –114, –227
  • –14 and –13, –27
  • –11 and –16, –27
  • –27 and –13, –40
Q.12

Multiply the following binary numbers.

1010 &nbsp 1011 &nbsp 1001
×0011 &nbsp ×0111 &nbsp ×1010
  • 0001  1110    0100  1101    0101  1011
  • 0001  1110    0100  1100    0101  1010
  • 0001  1110    0100  1101    0101  1010
  • 0001  1101    0100  1101    0101  1010
Q.13

Hexadecimal is a base 4 numbering system.

  • True
  • False
Q.14

The solution to the binary problem 00110110 – 00011111 is 00011000.

  • True
  • False
Q.15

Determine the two's-complement of each binary number.
00110        00011        11101

  • 11001    11100    00010
  • 00111    00010    00010
  • 00110    00011    11101
  • 11010    11101    00011
Q.16

Subtract the following binary numbers.

0101 1000 &nbsp 1010 0011 &nbsp 1101 1110
–0010 0011 &nbsp –0011 1000 &nbsp –0101 0111
  • 0011  0100    0110  1010    1000  0110
  • 0011  0101    0110  1011    1000  0111
  • 0011  0101    0110  1010    1000  0111
  • 0011  0101    0110  1010    1000  0110
Q.17

To make an eight-bit adder from two four-bit adders you must connect ________.

  • the high-order carry-in to ground
  • the low-order carry-out to the high-order carry-in
  • the high-order carry-out to ground
  • the low-order sum to the high-order data input
Q.18

The 74HC382 ALU can perform ________ operations.

  • 2
  • 4
  • 8
  • 16
Q.19

Subtraction of the 2's-complement system actually involves the operation of ________.

  • multiplication
  • subtraction
  • addition
  • division
Q.20

Perform the following hex subtraction: ACE16 – 99916 =

  • 23516
  • 13516
  • 03516
  • 33516
Q.21

Packages are used to contain ________ and other information that must be available to all entities in the design file.

  • types
  • vectors
  • components
  • variables
Q.22

How many basic binary subtraction operations are possible?

  • 4
  • 3
  • 2
  • 1
Q.23

What is wrong, if anything, with the circuit in the given figure based on the logic analyzer display accompanying the circuit?

  • The CO terminal is shorted to ground.
  • The S1 output is shorted to Vcc.
  • The P1 input is not being added into the total.
  • Nothing is wrong; the circuit is functioning correctly.
Q.24

Packages are used to contain ________ and other information that must be available to all entities in the design file.

  • types
  • vectors
  • components
  • variables
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