Solved : NIELIT (O-Level) January 2018 Introduction to ICT Resources
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer heet supplied with the question paper, following instructions therein. (1x10)
1.1 : The circuit used to store one bit of data is known as _____
A) Encoder B) Decoder
C) Flip-flop D) Register
Answer
1.2 : USB stands for
A) Universal Serial Bus
B) Universally accepted Serial Bus controller
C) Universe Serial Bus controller
D) None of the Above
Answer
1.3 : Cache memory acts between
A) CPU and RAM B) RAM and ROM
C) CPU and Hard Disk D) None of the above
Answer
1.4 : When CPU is executing a Program that is part of the Operating System, it is said to be in?
A) Interrupt mode B) System mode
C) Half mode D) Simplex mode
Answer
1.5 : Transmission control protocol corresponds to
A) Network Layer B) Data Link Layer
C) Application Layer D) Transport Layer
Answer
1.6 : When a host on network A sends a message to a host on network B, which address does the router look at?
A) Port B) Logical
C) Physical D) None of the above
Answer
1.7 : What group on Windows NT workstation has the right to take ownership?
A) Users B) Administrators
C) Print Operators D) Account Operators
Answer
1.8 : A binary digit is called a
A) Bit B) Byte
C) Number D) Character
Answer
1.9 : Ping stands for
A) Packet internet gopher
B) Packet interrupt gather
C) Pulse interactive gopher
D) Packet interactive gopher
Answer
1.10 : The network address of 172.16.0.0/19 provides how many subnets and hosts?
A) 7 subnets, 30 hosts each
B) 8 subnets, 8,190 hosts each
C) 8 subnets, 2,046 hosts each
D) 7 subnets, 2,046 hosts each
Answer
2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 : The circuit used to store one bit of data is known as _____
A) Encoder B) Decoder
C) Flip-flop D) Register
Answer
1.2 : USB stands for
A) Universal Serial Bus
B) Universally accepted Serial Bus controller
C) Universe Serial Bus controller
D) None of the Above
Answer
1.3 : Cache memory acts between
A) CPU and RAM B) RAM and ROM
C) CPU and Hard Disk D) None of the above
Answer
1.4 : When CPU is executing a Program that is part of the Operating System, it is said to be in?
A) Interrupt mode B) System mode
C) Half mode D) Simplex mode
Answer
1.5 : Transmission control protocol corresponds to
A) Network Layer B) Data Link Layer
C) Application Layer D) Transport Layer
Answer
1.6 : When a host on network A sends a message to a host on network B, which address does the router look at?
A) Port B) Logical
C) Physical D) None of the above
Answer
1.7 : What group on Windows NT workstation has the right to take ownership?
A) Users B) Administrators
C) Print Operators D) Account Operators
Answer
1.8 : A binary digit is called a
A) Bit B) Byte
C) Number D) Character
Answer
1.9 : Ping stands for
A) Packet internet gopher
B) Packet interrupt gather
C) Pulse interactive gopher
D) Packet interactive gopher
Answer
1.10 : The network address of 172.16.0.0/19 provides how many subnets and hosts?
A) 7 subnets, 30 hosts each
B) 8 subnets, 8,190 hosts each
C) 8 subnets, 2,046 hosts each
D) 7 subnets, 2,046 hosts each
Answer
2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
2.1 In Windows NT, official meaning of NT, according to Microsoft is stands for New Technology.
2.2 A nibble is a group of 16 bits.
2.3 Port address is assigned by transport layer.
2.4 256.21.120.1 is valid IP address.
2.5 An IPv4 address is 32 bits long.
2.6 Network layer is responsible for packet sequencing, acknowledgments, and requests for retransmission.
2.7 TCP is connection oriented protocol.
2.8 The performance of Laser Printer is better than Dot Matrix Printer.
2.9 FAT file systems can store bigger files compared to NTFS file system.
2.10 The network layer uses physical addresses to route data to destination hosts.
Answer
3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
X
|
Y
|
||
3.1
|
IP
|
A.
|
Network Topology
|
3.2
|
PKZIP
|
B.
|
Data Link Layer
|
3.3
|
BIOS
|
C.
|
File Allocation Table
|
3.4
|
Mesh
|
D.
|
Format Achieve Tabs
|
3.5
|
SMPS
|
E.
|
Network Layer
|
3.6
|
LLC sub layer
|
F.
|
Presentation Layer
|
3.7
|
Telnet is a
|
G.
|
Basic input/output system
|
3.8
|
Encryption
|
H.
|
Remote Login
|
3.9
|
FAT
|
I.
|
Application Layer
|
3.10
|
FTP corresponds to
|
J.
|
Internet Protocol
|
K.
|
Compression
|
||
L.
|
System Management Power Supply
|
||
M.
|
Switched Mode Power Supply
|
||
Answer
4. Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. Choose the most appropriate option, enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
A.
|
Network
|
B.
|
Recovery Console
|
C.
|
Partition
|
D.
|
Data Link
|
E.
|
POST
|
F.
|
Attrib
|
G.
|
Digital versatile disk
|
H.
|
Protocol
|
I.
|
Cassette disk
|
J.
|
WAN
|
K.
|
Boot Record
|
L.
|
Motherboard
|
M.
|
LAN
|
4.1 DVD stands for ________.
4.2 Routers are part of the ________ layer.
4.3 A computer network that spans a relatively large geographical area is called ________.
4.4 During ________, computer checks most of its parts.
4.5 ________ is a set of rules and standards that two entities use for communication.
4.6 ________ is a division of a hard drive that can be used to hold logical drives.
4.7 BIOS located on the ________.
4.8 ________ is the first sector of a floppy disk or logical drive in a partition; it contains information about the disk or logical drive.
4.9 The ________ in Windows 2000 can be used to execute commands when troubleshooting a failed boot.
4.10 The ________ command displays or changes the read-only, archive, system, and hidden characteristics of files.
Answer
PART TWO
(Answer any FOUR questions)
5.
a) Explain following terms:
i) Virus
ii) Anti Virus
b) Explain LAN, MAN and WAN.
c) What is routing? Explain router.
(5+6+4)
6.
a) Write a short note on DVD.
b) What is the need of backup? Explain Windows Backup Utility.
c) Differentiate Impact Printer and Non-Impact Printer.
(5+5+5)
7.
a) Explain subnetting with example.
b) What is a Printer? Write steps to share a printer in Windows NT Network.
(8+7)
8.
a) Explain following terms:
i) Firewall
ii) Virtual Memory
b) Explain Features present in the BIOS setup utility.
c) What are the main features of Windows NT operating system?
(5+5+5)
9.
a) What is Defragmentation of Hard Disks? What are the advantages of it?
b) Write difference between WinZip and PKZIP utilities.
(8+7)
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