ECE :: Exam Questions Paper
-
A 3 x 8 decoder with two enable inputs is to be used to address 8 blocks of memory. What will be the size of each memory block when addressed from a sixteen bit bus with two MSBs used to enable the decoder?
-
What is the purpose of a start in RS232 serial communication protocol?
-
Time delay produced by an instruction code given below using 2 MHz clock is:
MVI A, FFH
LOOP: DCR A
JNZ Loop -
Refer to the NAND and NOR latches shown in the figure. The inputs (P1, P2) for both the latches are first made (0, 1) and then, after a few seconds, made (1, 1). The corresponding stable outputs (Q1, Q2) are
-
Consider the following two statements about the internal conditions in an n-channel MOSFET operating in the active region
S1: The inversion charge decreases from source to drain
S2: The channel potential increases from source to drain
Which of the following is correct? -
For what positive value of K does the polynomial s4 + 8s3 + 24s2 + 32s + K have roots with zero real parts?
-
Which of the following capabilities are available in a Universal Shift Register?
- Shift left
- Shift right
- Parallel load
- Serial add
Whatsapp
Facebook
