Electronics and Communication Engineering - Microprocessors

21.
Most of the memory chips in static RAM
do not require any supply
need 2 V supply
need 5 V supply
need 12 V supply
Answer: Option
Explanation:

Digital chips need 5 V supply.


22.
The interface chip for 8086 and 16 bit ADC is
8259
8255
8253
8251
Answer: Option
Explanation:

8255 is interface chip for 8086 and ADC.


23.
Which of the following real variable names is not valid in Fortran?
BETA
ALPHA
A
AB * 2
Answer: Option
Explanation:

Operator is not allowed.


24.
Temporary register in 8085 is a 16 bit register.
True
False
Answer: Option
Explanation:

It is 8 bit-register.


25.
In which computer language is 'break' statement used
Fortran 77
Pascal
C
none of the above
Answer: Option
Explanation:

Whenever keyword 'break' is encountered inside any C loop control passes to the first statement after the loop.