Bharathiar University 2009 B.C.A Computer Application Digital Fundamentals and Architecture,Bharathiyar University - Question Paper

Digital Fundamentals And Architecture,Nov-2009 Semester

1. The decimal equivalent of the octal number 13 is
a. D
b. 10
c. 11
d. None
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2. The gate that provide one output if any 1 of the input is 1, is
a. AND
b. NAND
c. XOR
d. None
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3. MOD 10 counter will count up to
a. 7
b. 8
c. 9
d. None
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4. With respect to Boolean Algebra, A.1 = ?
a. A
b. 1
c. 0
d. None
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5. 8085 has ___________ data lines.
a. 8
b. 16
c. 32
d. None
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6. MVI A, 55 H is an example for ___________ addressing mode.
a. Direct
b. Register
c. Immediate
d. None
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7. ___________ is used to eliminate the speed mismatch ranging from processor and IO devices.
a. IO interface
b. Priority
c. Daisy chain
d. None
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8. ___________ is not an interrupt pin of 8085.
a. RST 7.5
b. ALE
c. INTR
d. TRAP
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9. How many address lines are needed to address a memory of size eight KB?
a. 11
b. 12
c. 13
d. 14
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10. ___________ is a physical partition.

Earning:   Approval pending.