Describe the symptoms that would occur at the following points in the circuit of Figure 6-14 if the ADD and SUB lines were shorted together.

(a) B[3..0] inputs of the 74LS283 IC

(b) C0 input of the 74LS283 IC

(c) SUM (Σ) [3..0] outputs

(d) C₄

Figure 6-14

Transcribed Image Text:

Transfer pulse 8 B₂B₂ B₂ B₂ D 12 7 B₂ CLK A3 Im A3 6 D B register 11 5 B₂ CLK A₂ A₂ D 10 B₁ 3 74LS283 A₁ A₁ CLK BoBo 2 D Bo CLK A A₂ ADD SUB 44 45 Col