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Computer Science Fundamentals
The weights used in Binary coded decimal code are:
4,2,1
8,4,2,1
6,4,2,1
2,1
BCD is a weighted code and it uses the weights 8,4,2,1 respectively. It is often called the 8421 code. Since, it uses 4 bits for the representation therefore the weights are assigned as : 23 = 8, 22 = 4, 21 = 2, 20 = 1.
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rikazzz
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Computer Science Fundamentals
Components used for interconnecting dissimilar networks that use different communication protocols.
Switches
Gateways
Routers
Bridges
Gateways are used for this purpose. Gateways interconnect dissimilar networks, protocol conversion is performed by them.
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rikazzz
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Computer Science Fundamentals
Which of the following is not a keyword?
Read
Write
start
endif
Start is not a Keyword. Other words like read, write, if, else, etc are keywords and convey a special meaning.
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rikazzz
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Computer Science Fundamentals
Media literacy can help youth and adults understand how media shapes our culture.
True
False
The statement is true. Media literacy also develops our critical thinking. It also helps in the better understanding of how media shapes our culture.
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rikazzz
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Computer Science Fundamentals
Which of the following is not involved in working of IoT?
RFID
Sensor
Nano tech
Server
IoT works from RFID to Sensor, to Smart tech and then to Nano tech.
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rikazzz
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Computer Science Fundamentals
Bernoulli disks are a type of magnetic floppy disks.
True
False
Bernoulli disks are a type of magnetic hard disks and not floppy disks. They are also called as zip disks. It uses a single hard disk platter encased in a plastic cartidge.
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rikazzz
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Computer Science Fundamentals
Which of the following processor has a fixed length of instructions?
CISC
RISC
EPIC
Multi-core
The RISC which stands for Reduced Instruction set computer has a fixed length of instructions. It has a small instruction set. Also has reduced references to memory to retrieve operands.
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rikazzz
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Computer Science Fundamentals
Which of the following is true about microprocessors?
It has an internal memory
It has interfacing circuits
It contains ALU, CU, and registers
It uses Harvard architecture
Microprocessors don’t have memory and interfacing circuits. They follow Princeton architecture and they contain ALU, CU, and registers inside them.
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rikazzz
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Computer Science Fundamentals
Which of the following is not a process state?
Terminated
Running
Blocked
Execution
There is no blocked state in a process model. The different states are ready, running, executing, waiting and terminated.
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rikazzz
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Computer Science Fundamentals
_________ are about storytelling and story meaning.
narratives
plot
content
storyline
Narratives are about storytelling and story meaning. Media texts tell stories; they have a narrative.
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rikazzz
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