Question # 1

CU stand for...............

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Circuitry Unit

Central Unit

Control Unit

None of these

Which signals are in continues form?

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Digital

Analog

Both a and b

None of these

What is the dual of Booean expression A.0=0?

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A+1=1

A + 0 = A

A. 1 = A

A.O = 0

Which dterm describe software that is designed to adapt to changes in user needs?

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Portable software

Flexibel software

Robust software

Configurable software

What concept does thetheory of system aim to understand.

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Hardware design

System interactions and development over time.

Software applications

Net work security

Which command is used to check network connectivity between two styems.

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Tracert

Ping

Ipconfig

Netstat

In the single precision, how many bits are used for the exponent.

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23 bits

11 bits

8 bits

52 bits

Which of the following is an imput device?

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Monitor

Printer

Keybord

Speaker

What is the main disadvantage of the Von Neumann architecture.

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High cost of components.

Difficulty in executing machine language instructions

Limited data strorage capacity

Bottleneck due to shared memory access for instructions and data

What does DAC represents?

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Analog Digital Convenient

Analog Digital Conversation

Digitla analog conversion

All of these

Which of the following is the first step in troubleshooting a system issue?

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Replace hardware componets

Idenfify the problem

Reinstall the operting system

Run a system update

What does"Scalability" mean in a sofwate system

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Ability to proent system crashes

Ability to integrate with third party software

Ability to expand and handle increased workloads

ability to function with minimal resources

What is the primary function of an perating system.

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To createedocuments

To perform calculations

To design graphics

To manage hardwar resources and provide a user interface

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