CS401 Quiz 3 January 2026 Set 2

Quiz 1 - CS401

Question:

In Programmable Interrupt Controller (PIC), which of the following ports is used to selectively enable or disable interrupts?

1. 22
2. 19
3. 21
4. 20

Correct answer: 21

Copied: 1/2/2026, 8:43:25 PM

Quiz 2 - CS401

Question:

Which of the following instructions, selects the memory address space?

1. IN
2. MOV
3. DEC
4. ADD

Correct answer: MOV

Copied: 1/2/2026, 8:43:44 PM

Quiz 3 - MTH501

Question:

�x�1�+�2�x�2�+�3�x�3�=�7�4�x�1�+�x�2�+�2�x�3�=�2"�4�x�1�+�3�x�2�+�9�x�3�=�4� �x�_�1� �+� �2�x�_�2� �+� �3�x�_�3� �=� �7� �4�x�_�1� �+� �x�_� = 4 The augmented matrix for the system is -----------

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4&1&2 \\\\\\ · { - 4}&3&9 · \end{array}\,\,\,\,\begin{array}{*{20}{c}} · 7 \\\\\\ · 2 \\\\\\ · \end{array}} \right]

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Quiz 4 - MTH501

Question:

�L�e�t� �A�A�A� �b�e� �a�n� �n�×�n�n�×�n�n� �\�t�i�m�e�s� �n� �m�a�t�r�i�x� �w�h�o�s�e� �d�i�s�t�i�n�c�t� �e�i�g�e�n� �v�a�l�u�e�s� �a�r�e� »�1�,»�2� \lambda_2, …, \lambda_p. The matrix AAA is diagonalizable if and only if the ----------- of the dimensions of the distinct eigen spaces is equal to nnn.

A. Product

B. sum

Copied: 1/2/2026, 8:44:48 PM

Quiz 5 - MTH501

Question:

If A and B are n x n matrices, then det (AB) = ______________.

A. A.det(B) · B. det(A).det(B) · C. det(A).B · D. A.B

Copied: 1/2/2026, 8:45:02 PM

Quiz 6 - MTH501

Question:

If the inverse of a linear transformation exits then it is ______.

A. non-invertible · B. Not unique · C. Unique · D. nonlinear

Copied: 1/2/2026, 8:45:08 PM