Nay Chi Education Center
IGCSE Information and Communication
Technology
Name
TEST 5
Time Allowed: 1 hour
Answer all questions.
1. (a) The following statement are TRUE or FALSE. [5]
(i) The servers provide clients with access to applications that can be run directly from the
server. Web Server TRUE
FALSE
(ii) A networking peripheral allows devices with Wi-Fi connectivity to connect to a wired
network. They are often built into other hardware, such as routers, but they are also available
as stand-alone devices that connect to a wired network using Ethernet cables. Wireless
Access Point (WAP) TRUE
FALSE
(iii) The cable contains a glass thread that bounces light signals between two devices faster
and further than is possible with wire cables that can carry data at 40 Gbit/s over many
kilometers without affecting signal quality. Fiberoptic Cable
TRUE
FALSE
(iv) A company that provides customers with access to the internet. It already provides
broadband networks and have first access to the internet. Mobile Company
TRUE
FALSE
(v) The number of bits that can be carried by a connection in one second. Bandwidth
TRUE
FALSE
1.(b) We can use two connection methods to the internet or private network which are
wireless and wired connectivity. There have advantages and disadvantages in both two kinds
of connectivity. State that THREE advantages in wired and TWO advantages in wireless
connectivity. [5]
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2. Choose and tick the correct answer for the following. [10]
(i) A server is a computer that shares its resources with connected devices. The server checks
usernames and passwords. When a user successfully logs in, the client receives an electronic
certificate that it can then use to access various resources, including applications and storage.
authentication server A Web Server DHCP Server Mail Server
(ii) A network node used in telecommunications that connects two networks with different
transmission protocols together. It serves as an entry and exit point for a network as all data
must pass through or communicate with the gateway prior to being routed.
A Switch A Router A Gateway A ISP
(iii) A group of letters, numbers, or symbols that a computer has been programmed to
recognize and uses to process information.
A variable A Identifier A constant A Short up
(iv) Which one of these digital communication types has the greatest bandwidth?
A Infra-red A NFC A Wi-Fi A 3G
(v) Chapa uses an online store to shop for a new laptop. Which one of these would Chapa
need in order to use the online store?
A Utility A Browser A Search engine A Hosted application
(vi) The online store must backup its data. Which one of these is the most suitable storage
type for a large organisation to use for backups?
A DVD A Magnetic tape A SD Card A Memory stick
(vii) Laura plays online games with other people. Laura notices that her character’s actions
are not in time with other players’ characters. Which one of these would need to be reduced
to improve Laura’s online gaming experience?
A Bandwidth A Storage A Latency A Memory
(viii) Which one of these is used to identify a games console on a network?
A Subscriber Identification Module (SIM) A Media Access Control (MAC)
A Hyper Text Transfer Protocol (HTTP) A Near Field Communication NFC
(ix) Laura’s games console uses a proprietary operating system. Which one of these describes
a proprietary operating system?
A Owned by a company A Created by specialists
A Uses a firewall A Hosted in the cloud
(x) Which one of these is a benefit of using a VPN for gaming?
A Provides access to geo-restricted games A More games are available using VPN
A Gives more detailed images A Reduces bandwidth
3.(a) Match the following terms with related statements explanatory notes. (Write only
alphabet) [5]
(a) infra-red (b) Digital Radio (c) HDMI (d) Ethernet (e) Network administrator
A person who manages an organisation's network e
A type of electromagnetic radiation with a longer frequency than that of visible
a
light.
A network connectivity standard that provides a way for computers to
d
communicate.
It is broadcast in the same way as DVB. DAB provides more radio stations and
can also carry text data that DAB receivers can display. The text data can
include the time, name of the station and details of the music being played.
b
A connectivity can use to transmit video and audio data
3. (b) State THREE topics that can be reduce the signal strength of wired and wireless c
connections. Explain TWO topics from them. [5]
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4. Part of the specifications for four laptops are shown in the following.
(f) Laptop B has the most RAM.
(i) State what ‘RAM’ stands for. [1]
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(ii) State two characteristics of RAM. [2]
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2…………………………………………………………………………………………
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(iii) Explain why having a large amount of RAM can benefit the user. [2}
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(g) Laptop A has a solid state drive (SSD). Laptop B has a hard disc drive (HDD).
Laptops with SSDs generate less heat than those with HDDs.
(i) Explain two other advantages of having an SSD rather than an HDD in a laptop. [4]
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(ii) Explain one disadvantage of having an SSD rather than an HDD in a laptop. [2]
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(h) (i) The measurement of the screen resolution for Laptop A is shown as 1280 × 800.
Which one of these is the unit used to measure screen resolution? [1]
(ii) Screen resolution can be altered to help users with visual impairment.
State two other system settings that can be altered to help users with visual impairment. [2]
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Marking Scheme
1/(b)
3 (b) INTERFERENCE
Other electromagnetic signals disrupt or interfere with wired and wireless signals. For
example, interference can be caused by signals from wireless devices, wireless routers and
appliances emitting electromagnetic fields like fridges and microwave ovens. Cabled
connections can be shielded from this interference by having the wires wrapped in a thin
layer of metal.
BLOCKAGES
Walls and furniture reduce the strength of wireless signals. This reduces the available
bandwidth.
DISTANCE
The strength of a wired or wireless signal is reduced as the distance that it has to travel
increases.
4.
