ECAT Computer Science MCQS Set 1

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ECAT Computer Science MCQS Page 2


Computer is combination of
Both
Hardware
Software
None of these

A type of reader commonly used to read UPC code is called:
Bar-code reader
Optical-work reader
MICR
None of these

What is the difference between hardware and software
Hardware is tangible but software is intangible
Hardware is metal but software is plastic
Hardware is permanent but software is temporary
Hardware is reliable but software is unreliable

Imaging used what devices to input data
Scanner
Icon
Bar code
Tablet

Which of the following is not an output device
Scanner
Printer
Monitor
Speaker

Printers and monitors are common forms of
Output units
Input units
Storage unit
Processing

Which is the first phase of the SDLC?
Preliminary investigation
Design
Coding
Analysis

CPU is example of
Hardware
Software
Program
Input unit

Smallest unit of memory is
A bit
A nibble
A byte
Zero byte

CPU stands for
Central processing unit
Central product unit
Computing program usage
Central programming unit

Printers and monitors are common forms of:
Output unit
Input unit
Storage unit
Processing unit

Which of the following is a smart card?
Both a & b
Mobile sim
ATM Card
Modern card

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