Computer MCQS

111. Bits can be sent over guided and unguided media as an analog signal by:
A: Digital modulation
B: Amplitude modulation
C: Frequency modulation
D: Phase modulation

112. Which address is used in an internet employing the TCP/IP protocols?
A: Physical address and logical address
B: Port address
C: Specific address
D: All of the above

113. The portion of the physical layer that interfaces with the media access control sub-layer is called:
A: Physical signaling sub-layer
B: Physical data sub-layer
C: Physical address sub-layer
D: None of the mentioned

114. Physical layer provides:
A: Mechanical details of electrical connectors and links
B: Electrical specification of transmission line signal level
C: Specification for IR over optical fiber
D: All of the above

115. In asynchronous serial communication, the physical layer provides:
A: Start and stop signaling
B: Flow control
C: Both A and B
D: None of the above

116. The physical layer is responsible for:
A: Line coding
B: Channel coding
C: Modulation
D: All of the above

117. The physical layer translates logical communication requests from the __ into hardware-specific operations:
A: Data link layer
B: Network layer
C: Transport layer
D: Application layer

118. YAHOO stands for __?
A: Yahoo Another Hierarchical Officious Oracle
B: Yet Another Hierarchical Officio Oracular
C: Yet Another Hierarchical Officious Oracular
D: Yet Another Hierarchical Officious Oracle

119. Which of the following shortcut is used to Bring the desktop to the top of other windows?
A: WinKey + D
B: WinKey + M
C: WinKey + SHIFT + M
D: WinKey + CTRL + F

120. Word is preset to use standard 8.5-by-11-inch paper with _ margins?
A: 1.25-inch left, right, top, and bottom
B: 1-inch left, right, top, and bottom
C: 1.25-inch left and right margins and 1-inch top and bottom
D: 1-inch left and right margins and 1.25-inch top and bottom