Midterm Comp Org
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Transcript of Midterm Comp Org
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7/31/2019 Midterm Comp Org
1/3
Republic of the PhilippinesCARIG CAMPUS
Carig Sur, Tuguegarao City
CCOOLLLLEEGGEE ooffIINNFFOORRMMAATTIIOONNaannddCCOOMMPPUUTTEERRSSCCIIEENNCCEE
Tel No. : (078) 304-1104 Email : [email protected]
MIDTERM EXAMINATION IN IT 104
(COMPUTER ORGANIZATION) SY:2012-2013
NAME: _____________________________________COURSE/YEAR/SEC:______________
MULTIPLE CHOICE: Choose the best answer from the given choices. Encircle the letter of your
choice. Erasure means invalid.
1. What are the 3 basic logic operations?
a. NAND,OR,AND c. XOR,NOR,AND
b. OR,AND,NOT d. NOT,OR,XOR
2. It is a gate that has two or more inputs and whose output is equal to the combination of
the inputs.
a. AND GATE c. OR GATE
b. XOR GATE d. NOT GATE
3. It means for describing how a logic circuits output depends on the logic levels present at
the inputs.
a. Logic gate c. NOR gate
b. Or gate d. truth table
4. It has two or more inputs and whose output is equal to the product of the inputs.
a. OR gate c. NAND gate
b. AND gate d. XNOR gate
5. Which of the following is a Boolean expression of the OR operation.
a. X = a + b c. X = a * bb. X = ab d. X = a . b
6. It is also known as inversion or complementation.
a. NOT gate c. OR gate
b. AND gate d. none
7. Which of the following is the symbol of an XNOR gate.
a.
b.
c.
d.
8.Inverse of the exclusive OR gate.a. XOR gate c. XNOR gate
b. OR gate d. AND gate
9. Which of the following is the symbol of XOR gate.
a.
b.
c.
d.
10.If both of the inputs are true/false you will have the output false(0).
a. XNOR c. OR
b. XOR d. NOT
11.The symbol of NOT gate.a.
b.
c.
d.
12.Inverse of OR gate.
a. NAND gate c. NOR gate
b. OR gate d. NOT gate
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7/31/2019 Midterm Comp Org
2/3
Republic of the PhilippinesCARIG CAMPUS
Carig Sur, Tuguegarao City
CCOOLLLLEEGGEE ooffIINNFFOORRMMAATTIIOONNaannddCCOOMMPPUUTTEERRSSCCIIEENNCCEE
Tel No. : (078) 304-1104 Email : [email protected]
13.Inverse of AND gate.
a. NAND gate c. NOR gate
b. OR gate d. NOT gate
14.Implement logic functions.
a. Boolean Algebra c. Logic gates
b. Logical Operators d. Truth Table
15.A useful mathematical system for specifying and transforming logic functions.
a. Truth Table c. Logic gates
b. Boolean Algebra d. Operators
16.Boolean expression of NOR gate.
a. X = a + b c. X = a + b
b. X = a + b d. X = a . b
17.Symbol of NAND gate.
a. c.
b. d.
18.Boolean expression of XNOR.
a. c.
b. d.
19.Take on one of two values.
a. Unary c. Triple
b. Binary d. Quad20.Which of the following do not denotes not gate.
a. c.
b. d.
II. PERFORM THE FOLLOWING:
A. Write the formula
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7/31/2019 Midterm Comp Org
3/3
Republic of the PhilippinesCARIG CAMPUS
Carig Sur, Tuguegarao City
CCOOLLLLEEGGEE ooffIINNFFOORRMMAATTIIOONNaannddCCOOMMPPUUTTEERRSSCCIIEENNCCEE
Tel No. : (078) 304-1104 Email : [email protected]
B. Draw the logic circuit.
III. CREATING TRUTH TABLES:
X = ((A*B) + (C+ C)) A
A B C C (A*B) (C+C) (A*B)+(C+C) X
Prepared by: Approved by:
GLENAH A. TAGUIBAO GENERINO P. SIDDAYAO, MSIT
Instructor DEAN, CICS
