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40 Most important Question and Answer for HPSSC JOA IT
1.) In MS-DOS, the command that is used to clear the screen is
A) CLS
B) Clear
C) Clear screen
D) Wipe
Ans-: A) CLS
2.) When more
computers are connected at one place, it is called
A) LAN
B) WAN
C) WON
D) DON
Ans-: A) LAN
3.) The most
important or powerful computer in a typical network is
A) Network station
B) Network client
C) Network server
D) None of these
Ans-: C) Network
server
4.) An alternate name
for the completely interconnected network topology is
A) Mesh
B) Star
C) Tree
D) Ring
Ans-: A) Mesh
5.) A word in a web
page, that when clicked, opens another document is
A) achor
B) URL
C) hyperlink
D) reference
Ans-: C) hyperlink
6.) When you cut or
copy information,m it gets place in the
A) Clipart
B) Clipboard
C) Internet
D) Motherboard
Ans-: B) Clipboard
7.) Which type of
file is created by word processing programs
A) Database file
B) Storage file
C) Worksheet file
D) Document file
Ans-: D) Document file
8.) Which of the
following device used ‘set of beads’ to represent the unit of data ?
A) ENIAC
B) EDVAC
C) Abacus
D) Mark-1
Ans-: C) Abacus
9.) ‘Expert system’
is the characteristics of which generation of computer?
A) First generation of computer
B) Second generation computer
C) Third generation computer
D) Fifth generation computer
Ans-: D) Fifth
generation computer
10.) The follow and
timing of data to and from the microprocessor is regulated by
A) Contro pins
B) Address pins
C) Data pins
D) Power pins
Ans-: A) Contro pins
11.) Which of the
example of an input device
A) Monitor
B) Scanner
C) Printer
D) Speaker
Ans-: B) Scanner
12.) Which of the following devices produce the
best quality graphics reproduction ?
A) laser Printer
B) Inkjet Printer
C) Plotter
D) Dot matrix printer
Ans-: C) Plotter
13.) Which port can
also used to connect two computers to transmit files?
A) Serial Port
B) Parallel port
C) AGP Port
D) Firewire port
Ans-: D) Firewire
port
14.) What is the main
folder on a storage device called?
A) Platform
B) Interface
C) Root directory
D) Device driver
Ans-: C) Root
directory
15.) Which of the
following memories has the shortest access time
A) RAM
B) ROM
C) Cache memory
D) Magnetic core momory
Ans-: C) Cache memory
16.) Which of following
is a binary number?
A) 36
B) 10
C) 45
D) 29
Ans-: B) 10
17.) Floating point
representation is used to storage
A) Boolean values
B) Real integers
C) Whole numbers
D) All of these
Ans-: A) Boolean
values
18.) Software is
generally classified into, which type of software?
A) System software
B) Utility software
C) Application software
D) All of these
Ans-: D) All of these
19.) Which of the following is/are called now low
level language
A) Machine language
B) Assembly language
C) Both (a) and (b)
D) None of these
Ans-: A) Machine
language
20.) A translator is
best described as
A) as application software
B) a system software
C) a hardware component
D) None of these
Ans-: B) a system
software
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