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Worksheets1st Class Practice
Total questions: 20
Worksheet time: 3mins
The first calculator was built by
Marie Jacquard
Blaise Pascal
Charles Babbage
John Napier
A similarity between data and information is that both
can be displayed on the monitor
are
computer inputs
are processed facts
are computer results
The computer hardware can be classified into
ALU and Control Unit
System Unit and Peripheral
Central Processing Unit and Control Unit
Input and Output Unit
The outcome of a processed data in a computer is known as
raw fact
information
database
computer result
Which of the following devices is not a micro computer?
Notebook
Laptop
EDVAC
Desktop
Which of the following computing devices did not exist in the pre-computing age to the 19th century?
Napier’s bone
Abacus
ENIAC
Slide Rule
The computing devices invented by Charles Babbage are
Diffence engine and Abacus
Analytical
engine and Slide Rule
Abacus and Slide Rule
Analytical and Difference engine
In a computer, the sets of instruction that directs it in performing a particular task is called
information
program
data
file
The property of a disk that determines the amount of data it may contain is
size
volume
storage capacity
storage power
Which of the following is not a step involved in data processing?
Input
Output
Process
Transfer
The communication of knowledge, concepts and ideas is referred to as?
Information processing
Information transmission
Telecasting
Webcasting
The exchange of information over a network follows a set of rules called
transmission rules
transfer rules
channels
protocols
In a relational database management system, files are organized as relations and
tuple
modules
tables
forms
The operation of checking input data against specified criteria is referred to as
data verification
data validation
data cross check
data control
Facebook, Twitter and WhatsApp are examples of
social media
communication
networking media
search engines
Which of the following is not an application of computers?
bank notes counter
point of sales terminal
automated teller machine
traffic light control
The advantages of electronic data processing include the following except
automatic processing
hacking
fast and reliable processing
storage capacity
A file kept in case of an accident or natural disaster is called
master
transition
back-up
reference
Which of the following is not a safety equipment in a computer laboratory?
surge protector
metal detector
smoke detector
fire extinguisher
The study of the effect of interaction between the computer and human users is referred to as computer
ergonomy
economy
ergophobia
biomechanics
