Electronics and Communication Engineering - Digital Electronics
Exercise :: Digital Electronics - Section 12
1.
A Read/Write memory chip has a capacity of 64 k bytes. Assuming separate data and address line and availability of chip enable signal, what is the minimum number of pins required in the IC chip?
Answer: Option A
Explanation:
2.
SSI refers to ICs with
A. less than 12 gates on the same chip B. less than 8 gates on the same chip C. less than 6 gates on the same chip D. less than 3 gates on the same chip
Answer: Option A
Explanation:
3.
In 8085, TRAP is
A. always maskable B. cannot interrupt a service subroutine C. used for catastrophic events like temporary power failure D. lowest priority interrupt
Answer: Option C
Explanation:
4.
The simplest register is
A. buffer register B. shift register C. controlled buffer register D. bidirectional register
Answer: Option A
Explanation:
5.
The logic realized by the circuit shown in figure
A. F = A ⊙ C B. F = A ⊕ C C. F = B ⊙ C D. F = B ⊕ C
Answer: Option B
Explanation:
