The interface chip for 8086 and 16 bit ADC is 8259 8255 8253 8251 8255 is interf

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Question
The interface chip for 8086 and 16 bit ADC is
Options
A. 8259
B. 8255
C. 8253
D. 8251

Correct Answer

8255

Explanation

8255 is interface chip for 8086 and ADC.

Microprocessors problems

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2. The power requirements of a DRAM in active and stand by modes is about
Options
A. 350 mW and 5 mW respectively
B. 350 mW each
C. 5 mW each
D. 350 mW and 100 mW respectively

3. Most of the memory chips in static RAM
Options
A. do not require any supply
B. need 2 V supply
C. need 5 V supply
D. need 12 V supply

4. Consider the following
1. The first letter of a Java variable is lower case.
2. Each successive word in Java variable begins with a capital letter.
3. All other letters are lower case.
4. A Java variable can have a digit as first character.
Which of the above are correct?
Options
A. All
B. 1, 2, 3 only
C. 1, 2, 4 only
D. 2, 3, 4 only

5. Which of the following DO statements is invalid in FORTRAN 77?
Options
A. DO 161 = 1, 15
B. DO 16 1 = 1, 10, 1
C. DO 16 I = - 5, 5, 2
D. none of the above

7. Match the following:

	List I (Logic family)		List II (Characteristic of logic family)
A.	TTL	1.	Maximum power Consumption
B.	ECL	2.	Highest Packing Density
C.	NMOS	3.	Least Power Consumption
D.	CMOS	4.	Saturated Logic

Options
A. A-1, B-4, C-2, D-3
B. A-1, B-4, C-3, D-2
C. A-4, B-1, C-2, D-3
D. A-4, B-1, C-3, D-2

8. Match the following:

	List I f(t)		List II F(s)
A.	t	1.
B.	e^at	2.
C.	u(t)	3.
D.	cos ?t	4.

Options
A. A-1, B-3, C-2, D-4
B. A-1, B-4, C-2, D-3
C. A-2, B-4, C-1, D-3
D. A-4, B-3, C-1, D-2

9. Match the following:

	List I		List II
A.	p type semiconductor	1.	silicon
B.	n type semiconductor	2.	holes are majority carriers
C.	Intrinsic semiconductor	3.	electrons are majority carriers
D.	Tungsten	4.	is a metal

Options
A. A-2, B-3, C-1, D-4
B. A-1, B-2, C-3, D-4
C. A-4, B-3, C-2, D-1
D. A-3, B-1, C-2, D-4

10. Match the following:

	List I (Camera pick up tubes)		List II (Developed by)
A.	CCD charger	1.	Toshiba
B.	New vicon	2.	Philips
C.	Plumbicon	3.	Matushita
D.	Chalnicon	4.	RCA

Options
A. A-3, B-4, C-1, D-2
B. A-4, B-3, C-2, D-1
C. A-4, B-3, C-1, D-2
D. A-1, B-2, C-3, D-4

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