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: