mcq

© Sandamal Vidanagamage www.ICTPiyasa.com 1

General Certificate of Education (Adv. Level) Examination 2012

Revision paper 4 (MCQ)

Information and Communication Technology I,II

Paper I – two hours

Note:- Answer all questions

In each of the questions 1 to 50, pick one of the alternatives which you consider as

correct or most appropriate.

Mark a cross (X) on the number corresponding to your choice in the answer sheet

provided.

Prepared by:

Sandamal Vidanagamage

BIT (University of Colombo), PgD (Sliit), MCP

Contact: 0712300500 www.ICTPiyasa.com

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1. Which of the following type of devices convert human understandable form of data into machine

understandable form of data

i. Output devices

ii. Input devices

iii. Storage devices

iv. Network devices

v. None of above

2. What is the first machine calculator

i. ENIAC

ii. Abacus

iii. ABC

iv. Pascaline

v. Difference Engine

3. Bar code readers use in super market. It is a

i. Efficient device than key board

ii. Alternative solution for the key board

iii. Device which can insert data with high level of accuracy

iv. Above i, ii & iii are correct

v. Above iii is incorrect

4. Which of the following storage medium uses sequential data access method?

i. CD

ii. Hard disk

iii. Magnetic tape

iv. Zip disk

v. USB flash drive

5. Today commercial and personal computers in the market are belongs to

i. 3rd

generation

ii. 4th

generation

iii. 5th

generation

iv. combination of 4th

& 5th

generation

v. 6th

generation


6. The following statements are based on the cache memory inside the CPU

a. The frequently using data and instructions are kept in cache memory

b. Cache memory is expensive than RAM

c. Reading and writing speed on cache memory is faster than registers

Identify the correct statement/s

i. a only

ii. b only

iii. a & b only

iv. a & c only

v. a, b and c all are correct

7. The following statements are based on the CPU of the computers

a. The ALU performs mathematical calculations

b. Cache memory resides in the CPU

c. The CU holds the data temporarily during the execution of an instruction

d. The CPU can’t fetch data directly from hard disk drives


i. a only

ii. a & b only

iii. a, b and c only

iv. all of above

v. none of above

8. Find the wrong statement about cache memory

i. The cache memory is high speed memory available inside the CPU in order to speed

up access to RAM

ii. The cache memory is faster, larger and expensive than RAM

iii. The cache is usually filled from main memory when instructions or data are fetched

into the CPU

iv. Multi-level caches generally operate by checking the smallest level 1 (L1) Cache

first, if it hits, the processor proceeds at high speed, if the smaller cache misses, the

next larger cache (L2) is checked and so on, before external memory is checked.

v. Level 1 cache is measured in KBs

9. Windows XP computer converts to Windows 7 operating system example at

i. Software update

ii. Software upgrade

iii. Software mapping

iv. Dual booting

v. Firmware modification

10. Identify the correct statements about ergonomics

i. Prepare ergonomic design is necessary to prevent repetitive injuries

ii. It is an act of designing equipments in order to reduce the operator fatigue,

discomfort and injury.

iii. Which can be used to design working environments that maximize user efficiency

iv. Ergonomics is employed to fulfill the two goals of healthy and productivity

v. All of above


11. Stored programming concept introduced to the computers from

i. Von nuumn’s EDVAC machines

ii. Analytical engine

iii. Difference engine

iv. ENIAC

v. 3rd

generation computers

12. Bit stands for

i. Binary information

ii. Memory storage

iii. Binary digit

iv. True or false

v. High voltage signed or law voltage signals

13. Which of the following software packages can be used to create presentation materials?

i. Ms Word

ii. Ms Paint

iii. Python

iv. Visual Basic

v. Photoshop

14. CPU performance are measured in

i. Cache memory amount

ii. MHz

iii. Number of transistors

iv. Number of pins

v. MIPs

15. Ms Excel can use to create

A a database B a spreadsheet

C a high quality picture D a macro

E a slide presentation F a line chart

i. A, B, F only

ii. A, B,D.F

iii. A, B, D, F only

iv. A, B, F only

v. B, D, F only

vi. B, C only

16. The clock speed of a computer is measured in terms of

i. MHz

ii. MB

iii. GB

iv. Seconds

v. bytes

17. A tera byte (TB) is equivalent to

a. 220

MB b. 1030

KB

c. 1024*210

KB d. 1024*1024*1024 bytes

i. a only

ii. a, b only

iii. d only

iv. a, d only

v. none of the above


18. The widely use coding system in data communication for key board data

i. BCD

ii. EBCDIC

iii. ASCII 7bit

iv. ASCll 8bit

v. None of the above

19. One software application is distributed by CDs, in the CD the stored setup.exe help.doc and some of

the dll files. Such as exe, document & dll file extensions represent

i. Different file names

ii. Different structures of 0 and 1

iii. Executable files

iv. Supporting files to run the application

v. Setup executable files

20. What is the special feature of exe & com files

i. Small memory space is enough to load into the RAM

ii. Those files available only for DOS versions

iii. Can open with MS Office applications

iv. Can open with notepad

v. Those are can run on CPU without having a special application

21. Convert of 110.1116 into octal is

i. 420.42

ii. 6.3

iii. 6.6

iv. 120.6

v. 420.36

22. The Boolean expression x+xy+x’ is equivalent to

i. xy

ii. 0

iii. 1

iv. xy+x’

v. none of the above

23. The simple Boolean expression of f(A,B,C) = A’B’C’ + AB’C ‘+ A’B’C + AB’C

i. AB’

ii. 1

iii. B’

iv. B

v. O

24. Find the odd numbers

a. 11012

b. 778

c. AO16

d. 1018

e. 1AC16


i. a,b only

ii. a,b,d

iii. a,d only

iv. a,b,c

v. a,b,d,e

25. What is the appropriate network topology when using one Hub for LAN

i. Star

ii. Bus

iii. Ring

iv. Tree

v. mesh


26. MSD and LSD in 0.2560 respectively.

i. 0.0

ii. 2,0

iii. 2,6

iv. 6,2

v. 6,0

27. The hexa decimal number 56 is not equivalent to

i. 10101102

ii. 86

iii. 1268

iv. 1238

v. 1&3 both

28. P=10102 Q = 778 R = 1016 Z = P + Q – R Therefore Z is

i. 10010012

ii. 1100012

iii. 1110012

iv. 10001112

v. 10001112

29. Binary and Octal equivalent of 25.25

i. 11001.01,31.1

ii. 11011.01, 33.1

iii. 11001.001,31.1

iv. 11011.01, 33.2

v. 11001.01, 31.2

30. Computers can be classified based on the purpose, those are

i. Multitasking purpose and single user purpose

ii. Analog and digital

iii. Scientific purpose and commercial purpose

iv. Client and server

v. Special purpose and general purpose

31. The result of addition hexa decimal numbers

C100 + ABC + AOA is

i. D5C6

ii. D5CC

iii. E1CC

iv. D6C6

v. None of the answers

32. The logical expression (A+B)(A+C) is equivalent to

i. A+BC

ii. A+B+C

iii. 1

iv. 0

v. AB+C

33. Which one of the following is considered as an open source software

i. Internet Explorer

ii. Linux

iii. Photoshop

iv. Windows XP

v. DOS

34. Identify the correct sequence of following steps in the SDLC

A System Analysis

B System Design

C System Maintenance

D System Implementation

E System Initial Identification

F System Coding/ Programming

i. A, B, C, D, E, F

ii. E, D, A, B, F, C

iii. B, A, E, F, D, C

iv. E, A, B, F, D, C

v. A, E, B, F, D, C


35. Write the output of the following pseudocode

i. 1,6

ii. 1,6,11

iii. 6,11

iv. loop is never ends

v. loop is never starts

36. ----------- helps keeping a same design style in all the web pages in a web site.

i. CSS’s

ii. Frames

iii. Animation

iv. Cookies

v. Sessions

37. Identify the volatile memory from the following list.

A secondary memory

B RAM

C Cache Memory

D Register Memory

E ROM

i. B, C only

ii. B,C,D only

iii. All of above

iv. E only

v. B only

38. Identify the correct data transmission modes for the following situations.

A Telephone conversation

B News Papers

C Radio and TV broadcast

i. Half Duplex, simplex, half duplex

ii. All are simplex

iii. All are duplex

iv. Full Duplex , Simplex, half Duplex

v. Full Duplex, Simplex, Simplex

39. The valid IP addresses from the following is/ are

A 118.100.256.108

B 250.250.100.101

C 10.10.250

D 251.118.100.65.10

i. A only

ii. B only

iii. A & B only

iv. C only

v. All of above

40. Correct HTML tag order for a table

i. <table> <tr> <td>

ii. <tr> <td>

iii. <table> <row> <column>

iv. <tr> <tc> <itc> <1b>

v. <table> <hr> <td>

Begin

X=1

Do While X>10

X=X+5

Display X

End While

End


41. Output of the following Python code

i. 40

ii. 10

iii. 4

iv. 6

v. 14

42. The computers in your office building are connected together to staff can share files and printers.

What is this arrangement of computers called?

i. FTP

ii. LAN

iii. WWW

iv. HTTP

v. Intranet

43. An intranet is

i. A network operating system

ii. A network filing system

iii. A private company network

iv. A private company network that includes external specified users

v. Another name for internet

44. Which of the following devices do you need to be able to communicate with other computers using

the telephone network?

i. CD ROM

ii. Modem

iii. Plotter

iv. Speakers

v. Hub

45. Which of the following tasks would be more suited to a person rather than a computer?

i. Tasks that are repetitive

ii. Tasks that require speed

iii. Tasks that require complex mathematical processing

iv. Tasks that require imagination

v. Tasks that are spread over several areas

46. Which of the following software manages the files and folders on your computer’s hard disk drive?

i. Applications software

ii. Anti virus software

iii. System software

iv. Utilities software

v. Booting software

47. You have a modem and a telephone connection. What else do you need to connect your computer to

the internet?

i. Browser and printer

ii. ISP account and printer

iii. ISP account and network

iv. Browser and ISP account

v. ISP account and Utility software

X = 10

Y = 4

if X<Y or X!=4

X-=y

Print X

Else

Y + X

Print Y


48. Static RAM vs Dynamic Ram, correct features is/are

A Fast

B Expensive

C Storage density is less

D Suitable for cache memory

i. A only

ii. A and B only

iii. C only

iv. A,B and D only

v. All of above features are correct

49. The data fields of two relational tables as follows.

STUDENT(St_ID,St_Name,St_Course,St_DOB)

COURSE(St_Course,Duration,Fees,Contact_no)

Identify a primary key and a foreign key?

i. St_ID and St_Course

ii. St_ID and St_Name,

iii. St_Name and St_Course

iv. Contact_no and St_Course

v. None of the above

50. The correct SQL syntaxes to find the list of students in a school, who are coming from maharagama

and age is greater than 15. (consider student’s table is student)

i. Select * from table student

ii. Select * from table student where age>=15

iii. Select * from student where age>15 and area=’maharagama’

iv. Select all from student where age>=15 and area=’maharagama’

v. Select all from student where age>15 and area=’maharagama’

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