Information Technology 100 Question and Answers

Department Technical Education Conducted Examination for Recruitment of Information Technology Tradesman. The Questions are listed below helps you to prepare for upcoming Examination.

No. of Questions:100

Answers: Available

Year of Exam Conducted: 2023

Information Technology 100 Question and Answers – Part 1

Question1:-Current is considered as the movement of
A:-electrons
B:-protons
C:-charge
D:-nuclei
Correct Answer:- Option-A
Question2:-Which of the following laws is the relation between voltage, current and
resistance?
A:-Ohm’s Law
B:-Kirchhoff’s current law
C:-Kirchhoff’s voltage law
D:-Faraday’s law
Correct Answer:- Option-A
Question3:-An ammeter is used to measure
A:-voltage
B:-current
C:-resistance
D:-all of the above
Correct Answer:- Option-B
Question4:-The voltage will influence current only if the circuit is
A:-Open
B:-Insulated
C:-High resistance
D:-Closed
Correct Answer:- Option-D
Question5:-If the current in a circuit equals 0 A, it is likely that the
A:-voltage is too high
B:-resistance is too low
C:-circuit has a short
D:-circuit is open
Correct Answer:- Option-D
Question6:-If the resistance in a series circuit doubles, current will
A:-be the same
B:-be doubled
C:-reduce source voltage
D:-be halved
Correct Answer:- Option-D
Question7:-If three resistors of 1.2 kilo ohms, 470 ohms, and 330 ohms are
connected in series with a 20 volt source, what will be the total circuit current?
A:-100 mA
B:-10 mA
C:-1 A
D:-1.2 A
Correct Answer:- Option-B
Question8:-If the two resistors of 270 ohms each are connected in parallel, the
effective resistance will be
A:-270 ohms
B:-540 ohms
C:-135 ohms
D:-none of the above
Correct Answer:- Option-C
Question9:-What will be the effective resistance of a circuit, when resistance R1 (1
kilo ohms) is connected in series with a parallel combination of R2 (900 ohms) and
R3 (450 ohms)?
A:-1.3 Kilo ohms
B:-900 ohms
C:-450 ohms
D:-1.35 Kilo ohms
Correct Answer:- Option-A
Question10:-Three capacitors 2 F, 3 F and 9 F are connected in parallel. What will
be the effective capacitance?
A:-2 F
B:-9 F
C:-14 F
D:-1.058 F
Correct Answer:- Option-C

Information Technology 100 Question and Answers – Part 2

Question11:-A capacitor is connected in a dc circuit. What will be the reactance of
the capacitor?
A:-zero
B:-infinite
C:-moderate
D:-can not tell
Correct Answer:- Option-B

Question12:-A circuit consists of a capacitor, resistor and a voltage source in series.
If the voltage across the resistor measures zero, then the capacitor is
A:-charging
B:-fully charged
C:-discharging
D:-fully discharged
Correct Answer:- Option-B
Question13:-In reverse biased pn junction, when the voltage is increased, the
voltage at which the current will start to flow is called
A:-barrier potential
B:-forward voltage
C:-biassing voltage
D:-breakdown voltage
Correct Answer:- Option-D
Question14:-The advantage of bridge rectifier over the centre tapped full wave
rectifier is
A:-higher efficiency
B:-lower ripple factor
C:-lower peak inverse voltage (PIV)
D:-all of the above
Correct Answer:- Option-C
Question15:-The percentage ripple of full-wave rectifier is
A:-48%
B:-121%
C:-91%
D:-100%
Correct Answer:- Option-A
Question16:-For a two input XOR Gate, if one input is A and other input is 0, then
the output will be
A:-0
B:-1
C:-A
D:-complement of A
Correct Answer:- Option-C
Question17:-Name the gate that will give a HIGH output for any case when one or
more inputs are HIGH.
A:-OR Gate
B:-AND Gate
C:-XOR Gate
D:-NAND Gate
Correct Answer:- Option-A
Question18:-A decoder with 2 inputs will have ___________ outputs.
A:-2
B:-4
C:-8
D:-1
Correct Answer:- Option-B
Question19:-A half adder performs
A:-logical addition of 2 numbers
B:-arithmetic addition of 2 bits
C:-both logical and arithmetic addition
D:-none of the above
Correct Answer:- Option-B
Question20:-Minimum number of two-input NAND gates required to realise
Y=AB+CD
A:-3
B:-4
C:-5
D:-6
Correct Answer:- Option-A

Information Technology 100 Question and Answers – Part 3

Question21:-The device with multiple inputs and only one output
A:-Decoder
B:-Encoder
C:-Multiplexer
D:-Demultiplexer
Correct Answer:- Option-C
Question22:-A four to one (4-1) multiplexer will have ___________ select lines
A:-1
B:-2
C:-3
D:-4
Correct Answer:- Option-B
Question23:-How many cells will be there in a 4 variable K map?
A:-4
B:-32
C:-8
D:-16
Correct Answer:- Option-D
Question24:-1’s complement of 10110110 is
A:-01001010
B:-01001001
C:-11001001
D:-11110000
Correct Answer:- Option-B

Govt Jobs for Engineers

Question25:-Convert the binary 10110110 into Hexa Decimal
A:-B6
B:-A2
C:-C6
D:-C2
Correct Answer:- Option-A
Question26:-Which is the most popular basic Linux commands that lets you perform
tasks that require administrative or root permissions?
A:-chmod
B:-grep
C:-sudo
D:-root
Correct Answer:- Option-C
Question27:-What converts ac voltages into different dc outputs?
A:-HDMI
B:-SMPS
C:-SATA
D:-PATA
Correct Answer:- Option-B
Question28:-Which is an OS?
A:-Microsoft Word
B:-Microsoft Excel
C:-Microsoft Windows
D:-Microsoft Access
Correct Answer:- Option-C
Question29:-Which linux command edits user account fields and specify primary
and secondary group membership?
A:-passwd
B:-usermod
C:-chpasswd
D:-chmod
Correct Answer:- Option-B
Question30:-Write the linux command to remove the users home directory along
with users mail directory.
A:-userdel-r
B:-userdel-l
C:-userdel-p
D:-userdel-m
Correct Answer:- Option-A

Information Technology 100 Question and Answers – Part 4

Question31:-Name the linux directory that stores users personal files, directories
and programs which is accessible by system administrators and users.
A:-/bin
B:-/home
C:-/root
D:-/usr
Correct Answer:- Option-B
Question32:-Write the linux command to rename a file.
A:-rm
B:-rn
C:-mv
D:-cp
Correct Answer:- Option-C
Question33:-Which is the fastest memory that stores instruction codes and data
which are to be Currently executed by the CPU?
A:-RAM
B:-Cache
C:-Hardisk
D:-ROM
Correct Answer:- Option-B
Question34:-Which of the following is not a pointing device?
A:-Mouse
B:-Joystick
C:-Light pen
D:-Digitizer
Correct Answer:- Option-D
Question35:-OCR stands for
A:-Outsized Character Reader
B:-Optical Character Reader
C:-Operational Character Reader
D:-Only Character Reader
Correct Answer:- Option-B
Question36:-BIOS means
A:-Basic Input Output System
B:-Binary Input Output System
C:-Basic Information Output System
D:-Binary Information Outputing System
Correct Answer:- Option-A
Question37:-Which is the subset of the chipset responsible for providing support to
the onboard slower peripherals and managing their communications with the rest
of the computer?
A:-North bridge
B:-South bridge
C:-Front side bus
D:-Back side bus
Correct Answer:- Option-B
Question38:-Full form of SCSI
A:-Storage Computer System Interface
B:-Small Computer Storage Interface
C:-Small Computer System Interface
D:-Standard Computer System Interface
Correct Answer:- Option-C
Question39:-A deadlock situation arise if the following condition arises
A:-Mutual Exclusion
B:-Hold and wait
C:-No preemption
D:-All the above
Correct Answer:- Option-D
Question40:-Synchronization tool used to overcome the critical section problem
A:-Deadlock
B:-Segmentation
C:-Semaphore
D:-Swapping
Correct Answer:- Option-C

Information Technology 100 Question and Answers – Part 5

Question41:-Expansion card that connects a computer to a network
A:-Network Interface Card
B:-Modem
C:-Router
D:-Switch
Correct Answer:- Option-A
Question42:-Which is execution time memory?
A:-Cache
B:-RAM
C:-ROM
D:-Hard disk
Correct Answer:- Option-B
Question43:-Booting is the process of loading
A:-Application software
B:-POST
C:-Operating System
D:-BIOS
Correct Answer:- Option-C
Question44:-What is the full form of HDMI?
A:-High-Definition Media Interface
B:-High-Data Multimedia Input
C:-High-Definition Media Input
D:-High-Definition Multimedia Interface
Correct Answer:- Option-D
Question45:-Which is the internal command of DOS?
A:-date
B:-delete
C:-time
D:-all the above
Correct Answer:- Option-D
Question46:-Which of the following layer of ISO OSI reference model is responsible
for Source-to-destination delivery of packets across multiple networks?
A:-Data link layer
B:-Transport layer
C:-Network layer
D:-Physical layer
Correct Answer:- Option-C
Question47:-How many wires are there in a Category 5 cable?
A:-4 wires
B:-6 wires
C:-10 wires
D:-8 wires
Correct Answer:- Option-D
Question48:-Which of the following IP address is used for loop back testing?
A:-127.0.01
B:-128.0.0.0
C:-255.255.255.255
D:-All the above
Correct Answer:- Option-A
Question49:-Which of the following is a Multiple Access Protocol?
A:-ALOHA
B:-UDP
C:-TCP
D:-FTP
Correct Answer:- Option-A
Question50:-CSMA stands for
A:-Circuit Sense Multiple Access
B:-Carrier Sense Multiple Access
C:-Carrier Separated Multiple Access
D:-Circuit Switched Multiple Access
Correct Answer:- Option-B

Part 6 to Part 10 Information Technology Questions- Click here