Model Questions for G.C.E O/L Students

1. Information and Communication Technology (ICT)
G.C.E O/L Model Questions 200 + (First Part)
Mahesh Kodituwakku
BTech-ICT,MCTS,MIEEE,
Certificate in ICT(AIT-Thailand)
National Dip in Teaching (Merit)
Pramuka Kusalasiri
BTech-ICT

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1- Select the correct answer which carries a suitable match for the ―A‖ and ―B‖ in
the given statements.
Simple facts such as numbers, symbols or words are known as —A---- but after
organizing and processing them the outcome is called---- B----.
i. Data / Input
ii. Information / Data
iii. Data / Information
iv. Data / System
2-Tharani logged on to www.exams.gov.lk and types her index number to get a
printed copy of her examination results. In this statement what is the input.
i. Examination results
ii. Index number
iii. Printed copy
iv. Website address
(www.exams.gov.lk)
3-Following two statements are regarding the marks obtained by the students‘ 3rd
term
examination.
Statement 01 – Nithya, Sewwandi and Anuth obtained 75, 80 and 65.
Statement 02 – Adithya obtained the highest marks for Mathematics.
Select the incorrect statement from the following
i. First statement is incorrect and it contains data.
ii. By adding ―Subject names‖ and ―Marks by order‖ information can be derived.
iii. Statement 02 is much meaningful than Statement 01.
iv. Statement 01 carries information and Statement 02 carries data.
4- Which is NOT a main duty of a system.
i. Retrieve data
ii. Process data
iii. Data storage and provide
information
iv. Data backup
5-Following steps describes the information extraction done by using QR code. The
order is incorrect. Select the answer if the steps arranged in their correct order.
A – Data Decoding.
B – Point the mobile phone camera to the QR code.
C – Retrieve the stored data or go to a specific website.
D – Take a photograph of the QR code.
i. BDAC
ii. BDCA
iii. DBAC
iv. BACD

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6-During a selection test to enroll professors to a university staff it is unnecessary to
collect their primary education qualifications. Considering this statement what
characteristic does it express?
i. Appropriate
ii. Completeness
iii. Accuracy
iv. Latest
7-If A matches with B what would be the correct answer
Part A Part B
G2C P – Get debt information of government employees via internet.
G2G Q – Get business investment information via www.gov.lk
G2B R – Renew vehicle license via internet.
G2E S – Get customs information.
i. 1 – P 2 – S 3 – Q 4 – R
ii. 1 – R 2 – S 3 – Q 4 – P
iii. 1 – R 2 – Q 3 – S 4 – P
iv. 1 – R 2 – P 3 – S 4 – Q
8-What is the name of the organization that infrastructures states‘ information and
communication technology.
i. gov
ii. e-government
iii. ICTA
iv. 1919
9-Following statements are related with connecting information technology with
education.
A – Opportunity to learn is available anytime, any ware.
B – Classroom teaching has been so productive.
C – Only with high-speed internet we can use this facility.
What is the most accurate statement(s) from the following?
i. A & C
ii. A & B
iii. B & C
iv. A, B & C
10- A teacher successfully used an animation to teach the students the functionality of
the heart. What clarifies form this statement.
i. Always use animation for teaching.
ii. Use animation whenever verbal explanation is difficult.
iii. Internet is recommended for animations.
iv. This is distance learning education.
11-Following are three services provided by a Learning Management System (LMS).
A – You can complete school assignments at home and upload them instantly.
B – Supervise activities and display results.
C – Get student Progress information via email.

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Select the one with the correctly ordered set of beneficiaries of the above services.
i. Student / Parents / Management Unit
ii. Student / Management Unit / Parents
iii. Student / Teachers / Management Unit
iv. Student / Teachers / Parents
12-Which is NOT a characteristic of distance learning education.
i. Timetable base lectures.
ii. Online assessments and questionnaires.
iii. Get online support from tutors.
iv. E-Library services.
13-Which instrument is used for getting scanned 3D images of internal body parts?
i. CAT
ii. MRI
iii. ECG
iv. EEG
14-Which instrument is used to identify brain tumors?
i. MRI
ii. ECG
iii. EEG
iv. CAT
15-The technology which used by doctors to treat or diagnose patients outside the
hospital premises is called.
i. Telemedicine
ii. Remote Clinical Care
iii. Distance Surgery
iv. E Channeling
16-Due to the vas development of the internet online shopping is getting popular
among people daily. Which one is NOT an advantage of it?
i. Purchase any item in any country.
ii. 24/7 open for business.
iii. Observe the items in a distance.
iv. Lack of security in online transactions.
17-In transportation service information technology is used for the ID Tag system.
What is the purpose of this system?
i. Categories vehicles based on weight.
ii. Allow only authorized vehicles to the parking compound.
iii. Give alternative routes during heavy traffic jam.
iv. Monitor illegal activities.

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18-Following are five stages regarding the evolution of computer technology, but in
an in ordered manner. Select the answer with the correct order.
A – Base Pascal‘s Adding Machine.
B – Howard Aitken‘s MARK I.
C – Abacus.
D – Charles Babbage‘s Analytical Engine.
E – Joseph Jacquard‘s Punch Card System.
i. CADEB
ii. CAEDB
iii. CBADE
iv. CEADB
19-Which generation was the high level computer languages were introduced?
i. First
ii. Second
iii. Third
iv. Fourth
20-Which generation was the graphical interfaced operating systems were introduced?
i. Second
ii. Third
iii. Fourth
iv. Fifth
21-Following images represents five generations of breakthrough technological
achievements. Select the answer which carries the correct order of their appearance.
i. DCBAE
ii. DCABE
iii. CDABE
iv. DBACE
22-In which generation integrated circuits were used in computers.
i. First
ii. Second
iii. Third
iv. Fourth
In which generation was the keyboard, mouse and high capacity storage disks were
introduced.
i. Fifth
ii. Second
iii. Third
iv. Fourth
23-Voice recognition is a popular feature in the modern technological era. Cortana by
Windows 10, Siri by Apple are name to few. To which generation is this technology
relates to.
i. Fourth
ii. Fifth
iii. Sixth
iv. Third

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24-What technology was used in ENIAC and EDVAC computers?
i. Vacuumed Tubes
ii. Transistors
iii. Integrated Circuits
iv. Microprocessor
25-What type of computers should be used to process high volume of data at once?
i. Mini computer
ii. Mainframe computers
iii. Micro computers
iv. Micro computers
26-What type of wave form is represented in the diagram?
i. Analog signal
ii. Microwave Signal
iii. Digital signal
iv. Short length signal
27-Desktop computers, Laptops and Tablet PC‘s are known as.
i. Mini computer
ii. Mainframe computers
iii. Micro computers
iv. Analog computers
28-For scientific and engineering purposes or to perform complex mathematical
calculations, what type of computer is best?
i. Mini computer
ii. Mainframe computers
iii. Micro computers
iv. Super computers
29-What type of computers that detect and adjust working behavior based on changes
such as speed, temperature, pressure and voltage?
i. Analog computer
ii. Mainframe computers
iii. Digital computers
iv. Micro computers
30-Device that outputs softcopies
i. Printer
ii. Monitor
iii. Speaker
iv. Mouse
31-What type of computer display is best for a sports ground.
i. LCD
ii. LED
iii. CRT
iv. Projector
32-If Part A connects with the right input device on Part B, what would be the
answer?
Part A Part B
Use to scan and computerized
documents and edit them later.
P – Optical Mark Recognition
OMR.
Use to read the coded bar strips. Q – Magnetic Ink Character
Reader MICR.

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Use to read the code on bank
cheques.
R – Optical Character
Recognition OCR.
Use to check answers on survey
forms and MCQ answer sheets.
S – Barcode Reader.
i. RSQP
ii. RPSQ
iii. SRQP
iv. SRPQ
33-From the following chose the impact printer.
i. Leaser Printer
ii. Dot matric Printer
iii. Bubble jet Printer
iv. Thermal Printer
What type of a printer is suitable to get a print of an architectural plan of a building
created using a CAD software?
i. Plotter
ii. Dot matric Printer
iii. Bubble jet Printer
iv. Thermal Printer
For the questions 36 and 37 use the following system specifications of a computer.
36-The speed of this computer is.
i. 4.00GB
ii. 64bit
iii. i3
iv. 2.00GHz
What is the Random Access Memory capacity of this computer?
i. 4.00GB
ii. 64bit
iii. i3
iv. 2.00GHz
 Answer questions from 38 to 40 referring to the following diagram.
Secondary Memory

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38-What are the main three components of a central processing unit?
i. Control Unit, ALU and Memory Registers
ii. Control Unit, ALU and Random Access Memory
iii. Random Access Memory, ALU and Memory Registers
iv. Random Access Memory,Cache Memory and ALU
39-Select suitable components for D and F.
i. Keyboard and Mouse
ii. Mouse and Flash memory
iii. Speakers and Computer screen
iv. Scanner and Computer screen
40-What type of memory is represent by E?
i. Flash memory
ii. Secondary memory
iii. Primary Memory
iv. Read only memory
41-Which part stores the essential commands to run the initial stage of a computer?
i. Flash memory
ii. Secondary memory
iii. Random Access Memory
iv. Read only memory
42-Which device stores data using magnetized charge?
i. Hard disk
ii. Compact Disk
iii. DVD
iv. Blu-Ray disk
43-What category dose the USB flash memory devices relates to.
i. Magnetic
ii. Solid State Devices
iii. Optical Media
iv. Mix Media
44-Which one is a suitable example for Half Duplex Mode Communication?
i. Television Communication
ii. Walki- Talki
iii. Telephone
iv. Wi-fi
45-Current government has initiated a project to enforce information technology
throughout the country. Implementing Wi-Fi zones in public spaces is an initial part of
this project. Select the most suitable statement about Wi-Fi.
i. A high speed guided medium.
ii. Light reflecting transmission medium.
iii. Radio frequency transmission medium.
iv. Copper wire transmission medium.
46-TV remotes, wireless keyboards and mouse are controlled using what type of
signals.
i. Wifi
ii. Bluetooth
iii. Microwaves
iv. Infraed

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47-What device is used to connect two or more computer networks?
i. Network Switch
ii. Network Hub
iii. Router
iv. Modem
48-Which networking device does the similar job as language translator in the real
world?
i. Network Switch
ii. Network Hub
iii. Router
iv. Modem
49-What type of computer networking is similar to the internet?
i. Local Area Network
ii. Wide Area Network
iii. Metropolitan Area Network
iv. Personal Area Network
50-Select the correct set of network topologies in order as in the image.
i. Tree,Bus,Ring
ii. Star, Bus,Ring
iii. Star,Tree,Ring
iv. Tree,Star,Bus
51-Following are some of the popular computer ports. Select the answer with their
correct names in order.
52-What type of storage device is most suitable to store a movie which is in 3D
format?
i. Compact Disk
ii. DVD
iii. Blu-Ray disk
iv. CD-R
53 Modern computers, TV‘s and multimedia projectors comes with this digital port.
i. USB ii. HDMI
Network port
Port
P/S2 Port
Serial Port
Pareal Port
Port Name

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iii. Serial Port iv. Parral Port
 Answer questions from 55 to 57 referring to the following diagram.
54 The firewall is represent by the letter.
i. A
ii. B
iii. C
iv. D
55 What is meant by the letter B?
i. Firewall
ii. Router
iii. Hub or Switch
iv. Server
56 Select the statement which explains about the signal transmission done by the device C.
i. Always use guided media.
ii. Use non-guided media to transmit data.
iii. Use both guided and non-guided media.
iv. Low security method.
57 The printing header is similar to a needle which impacts on a ribbon to print letters. What
type of printer is mentioned in this statement?
i. Ink jet printer
ii. Laser Printer
iii. Dot matrices printer
iv. Line printer
58 From the following computer memory types chose the non-volatile one.
i. Cache Memory
ii. Random Access Memory
iii. Registry Memory
iv. Read only memory

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59 When sorted by capacity select the storage devices in ascending order.
53- What is the Number system that contain 0-7 numbers,
i. Binary
ii. Hexadecimal
iii. Decimal
iv. Octal
60- Which is the correct number system that belong to 101100xx
i. Binary only
ii. Binary and octal only
iii. Decimal only
iv. Binary and above number system
61- Dark purple will represent with R=135,G=31 and B=120.Which is the binary value of
Dark purple?
i. 10000111 ,11111,1111000
ii. 1000110 , 11101 ,1111000
iii. 100011 ,11111, 1111001
iv. 10000111 ,11111, 1010001
62- Which is the most Significant digit and least significant digit of 0.0325?
i. 0,5
ii. 3,5
iii. 2,5
iv. 0,3
63- What is the correct answer for A and B?
Binary Value MSB LSB
10010 1 A
011.10 B 1
i. 1,0
ii. 1,1
iii. 0,0
iv. 0,1
64- What is the decimal number that equals to 1010112?
i. 40
ii. 42
iii. 45
iv. 43
65-What is the correct Number(s) that equal to the decimal 95?
i. 5F16
ii. 1378
iii. 10111112
iv. Answer i,ii and iii
66-What is the smallest number in following?
i. 10112
ii. 138
iii. 1010
iv. 1A16
67-What is the Hexadecimal number for the ―Sky blue‖ that represent R=115, G=239 and
B=243?
i. #7315ff3
ii. #73eff3
iii. #62eff3
iv. 621514143
68-What is the equal hexadecimal number for RED?
i. #ffffff
ii. #00ffff
iii. ff00ff
iv. #ff0000
69-What is the smallest unit to measure data in computer system?
i. Bit
ii. Nibble
iii. Byte
iv. Kilo Byte
70-What is the equal answer for 2MB?
i. 220
KB
ii. 210
GB
iii. 212
MB
iv. 210
GB X 2
71-50% of 2TB Hard disk in Sauri‘s computer is filled with software and other files. What is
equal formula for the free space in Sauri‘s computer?
i. 220
KB
ii. 210
KB X 2 X 2
iii. 212
KB
iv. 211
KB
72-What is the correct statement about Nibble?
i. It is equal to ½ KB ii. It is equal to ½ MB

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iii. It is equal to ½ byte iv. It is equal to 8 bits
73- How much it takes to store a single letter in a computer system?
i. 1Bit
ii. ½ byte
iii. 4 bit
iv. 8bit
74-What is the largest storage device in the list given below?
i. Registry memory
ii. CD
iii. Hard disk
iv. Read only memory
75-Shanuki partitioned her hard drive into three parts and stored 3GB of songs in her D drive.
What is the most suitable single storage device to get a backup of her songs?
i. Floppy disk
ii. CD
iii. Zip disk
iv. DVD
76- Select the correct set of memory types which represents in the descending order of access
speed?
i. Registry memoryCache memoryFlash MemoryRAM
ii. Registry memoryCache memoryRAMROM
iii. Cache memory Registry memory RAMROM
iv. Registry memoryCache memory ROMRAM
71-What is the most expensive memory type?
i. ROM
ii. RAM
iii. Magnetic Tapes
iv. Registry Memory
77-Coding System Number of Bits
BCD A-16
ASCII B-07
EBCDIC C-04
Unicode D-08
What is the correct answer that matches with coding system and the Number of Bits?
i. CBDA
ii. CBAD
iii. BCDA
iv. BDCA
78- Which coding system is represent numbers?
i. ASCII
ii. EBCDIC
iii. BCD
iv. Unicode
79-If character ‗Z‘ represent as 10110102 in ASCII. Which is ASCII for character ‗U‘?
i. 10101012
ii. 10101102
iii. 11101102
iv. 10101102
80-What is the equal BCD value of 4010
i. 101000
ii. 1000 00000
iii. 0100 0000
iv. 01000
81-What is the Decimal Number that equal to 10010001BCD
i. 80
ii. 91
iii. 145
iv. 18
82-What is the coding system that used in IBM Mainframe computers?
i. BCD
ii. ASCII
iii. EBCDIC
iv. Unicode
83-What is the incorrect statement about Unicode?
i. It can be used to represent images and text apart from texts.
ii. It is used in modern operating systems.

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iii. Can be used to represent any language.
iv. It is only support for western European languages.