29 questions
the brain of the computer is
Hard disk
Central Processing Unit
RAM
monitor
types of users are
system user
computer user
end user
server
Example for a portable computer
desktop computer
All in one
laptop
server
not an output device
monitor
scanner
printer
speaker
Examples for storage devices
Hard disk
optical disk driver
Keyboard
Mouse
speed of a computer is
speed of a processor is measured in
bits
MHz
GHz
s
example for a dual core processor is
core i5
pentium 1
i3
core 2 Duo
main permanent storage device is
RAM
pen drive
Hard disk
DVD
the main output device of a computer system to output images is .......................... while the speaker output sound.
types of monitor technology are,
CRT
DVD
LCD
LED
port in a Video Graphic Adapter
RJ45
PS2
eSata
HDMI
the capacity of the main memory is measured in
MB
seconds
KG
KM
light green port in sound card is to
audio out
mic in
line in
video in
operating system is a
application software
system software
hardware
liveware
Examples for OS are,
Windows
Linux
macOS
word
two types of sound cards are .......................... and separate
other non-technical factors to be considered in purchasing a computer
warranty
hard disk capacity
pre-installed software
after sales service
Example for a spreadsheet software is
word
powerpoint
excel
access
Spreadsheet consists of
worksheets
pages
slides
databases
worksheet consists of huge number of small boxes named as
square
boxes
cells
rules
where does the name of a current cell represented
column
row
Name box
formula bar
cell name of cell in column B and row 27 is
27B
B247
B27
2B7
types of numbers used in excel are
currency
time
long date
scientific
the must sign in a calculation in excel is
/
+
=
*
teacher needt to get the total marks of a student. function that can be used is
average
sum
max
count
teacher needt to get the total marks of a student. function that can be used is
average
sum
max
count
teaher needs to find the average marks of the students
average
avg
sum
count
to find the maximum marks of maths
min
maximum
max
minimum