Course -unit1
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Files on a hard disk are stored in one or more
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Memory cells
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Channels
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Sectors
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AND gates
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Self assessment Of Unit 1
Quiz Preview
- 2.
A byte consists of
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1 bit
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8 bits
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1 word
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8 word
Correct Answer
A. 8 bits -
- 3.
Bytes or words are the basic addressable units of memory. In order for the processor to be able to access the byte or word, it is assigned a unique ________.
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Value
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Address
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Name
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Serial number
Correct Answer
A. Address -
- 4.
The operating system is a set of _______________ that interface between an application program and the hardware.
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computer chips
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Sectors
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System software services
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Binary operation codes
Correct Answer
A. System software services -
- 5.
On a mainframe computer, peripheral devices are connected to the system through a ___________ and a ____________.
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Channel , I/O control unit
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Interface board , buffer
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Channel , interface board
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Interface board, I/O control unit
Correct Answer
A. Channel , I/O control unit -
- 6.
Secondary storage consists of devices such as the hard disk and CD-ROM. Which of the following is NOT a characteristic of secondary storage?
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. It is high capacity; it typically holds much more than main memory
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It is non-volatile
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It is intended for long term storage of files and data
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The computer can execute a program directly on the secondary storage
Correct Answer
A. The computer can execute a program directly on the secondary storage -
- 7.
Which of the following is NOT an advantage of viewing the system as a set of layers?
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It allows you to see the details and inner workings within an object
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It allows a simplified view of an object
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It allows you to focus on the interfaces between the layers
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It simplifies the view of the system so that it can be better understood
Correct Answer
A. It allows you to see the details and inner workings within an object -
- 8.
A hard disk has a directory to store file information. Each directory entry contains the following information about a file:
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The file's size and starting track number
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The file's name and starting track number
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The file's name and starting sector number
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The file's size and starting sector number
Correct Answer
A. The file's name and starting sector number -
- 9.
The binary number 1011 is equivalent to which decimal number and which hex number?
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12 decimal and C hex
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11 decimal and C hex
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12 decimal and B hex
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11 decimal and B hex
Correct Answer
A. 11 decimal and B hex -
- 10.
In the processor, the Instruction Counter contains:
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The data that is being manipulated
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The instruction that is being executed
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The address of the next data item to be fetched
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The address of the next instruction to be fetched
Correct Answer
A. The address of the next instruction to be fetched -
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Current Version
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Nov 22, 2017Quiz Edited by
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Sep 26, 2009Quiz Created by
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