WorksheetsBoolean expressions, data converters and semiconductor memories2
Total questions: 10
Worksheet time: 6mins
The complement of A+BC :
A′ + B′C′
A′B′C′
A′(B′ + C′)
(A + B)′(A + C)′
The simplified form of A+A′B:
AB
A + B
A′B′
A′ + B
The canonical SOP form of Y=A+BC is:
A + BC
AB + AC
A′B′C′ + A′BC + AB′C + ABC
A′B′C + AB′C′
A 4-bit DAC has a reference voltage of 8 V. The smallest output voltage step is:
1 V
0.5 V
2 V
0.533 V
The flash ADC is known for:
Slow conversion
Sequential conversion
Fastest conversion
Use of one comparator
A Successive Approximation ADC works on:
Counter principle
Binary search principle
Integration method
Sigma-delta modulation
The access time of memory refers to:
Time to transfer data
Time to decode address
Time to read/write data
Time to refresh memory
Which memory is non-volatile?
SRAM
DRAM
Flash memory
Cache memory
A ROM is used for:
Temporary storage
Permanent data storage
Arithmetic operations
Data transfer
In DRAM, data is stored using:
Flip-flops
Capacitors
Resistors
Registers
