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Computer Operator weekly mock test
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The memory size of mainframe computers and advanced technology microcomputer are expressed as
1 point
Bytes
Bits
Kb
MB
Clear selection
An device is any device that provides information, which is sent to the CPU
1 point
Input
Output
Memory
CPU
Clear selection
Can you tell what passes into and out from the computer via its ports?
1 point
Data
Bytes
Graphics
Picture
Clear selection
Through which device the main component of the computer communicates with each other
1 point
Keyboard
System bus
Monitor
Memory
Clear selection
Which of the following is not a form of data?
1 point
Number and character
Sounds
Images
None of above
Clear selection
The Information performs as
1 point
Input
Output
Storage
Processing
Clear selection
The qualitative and quantitative attribute of a variable or set of variable is termed as
1 point
Data
Information
Signals
None of above
Clear selection
A computer consists of
1 point
A central processing unit
memory unit
input output unit
all of above
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Properly arranged data is called
1 point
field
words
information
file
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Regarding data, computers are very good at
1 point
store
processing
retrieving
all of above
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The act of retrieving existing data from memory is called
1 point
read out
read from
read
all of above
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To locate a data item for storage is
1 point
field
Feed
database
Fetch
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Which of the following is not hardware?
1 point
Gateway
router
firewall
browser
Clear selection
The term used to define all input and output device in a computer system is
1 point
hardware
Firmware
software
shared resources
Clear selection
The OCR recognize the _____ of the characters with the help of light source
1 point
Size
Shape
Color
Used ink
Clear selection
The pattern of printed lines on most product are called
1 point
Prices
OCR
Scanner
Bar code
Clear selection
USB refers to
1 point
Storage Device
A processor
A port type
A serial bus standard
Clear selection
A pixel is
1 point
A computer program that draw pixel
A picture stored in secondary memory
The smallest resolvable part of a picture
None of above
Clear selection
A special request originated from some device to the CPU to acquire some of its time is called
1 point
Disturbance
Attenuation
Interrupt
Noise
Clear selection
A _____ monitor looks like a television and are normally used with non-portable computer screen system.
1 point
CRT
LED
LCD
Flat Panel Monitor
Clear selection
The device primarily used to provide hard copy is the
1 point
CRT
Printer
Computer Console
Card Reader
Clear selection
What is required when more than one person uses a central computer at the same time?
1 point
Light pen
Mouse
Digitizer
Terminal
Clear selection
What do you call a single point on a computer screen?
1 point
Cell
Pixel
Element
Bit
Clear selection
What types of device are speaker or headphones?
1 point
Input
Software
Output
Processing
Clear selection
The brain of any computer system is
1 point
ALU
CPU
CU
Memory
Clear selection
Submit
Clear form
Forms
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