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WorksheetsA + 900 Series Part I
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
Which of the following statements is not correct about laptops?
a)
The video card in a laptop is responsible for generating and managingthe image sent to the screen.
b)
Fluorescent lighting and LCD backlights require fairly high-voltage andhigh-frequency energy.
c)
Laptops use USB ports for expansion.
d)
Laptops never come with a built-in keyboard or mouse.
2.
In a laptop you cannot replace Mini PCIe card.
a)
True
b)
False
3.
Which of the following statements is not correct about display devices?
a)
LCD screens are known to have a longer life and retain color foryears.
b)
OLED displays have a better battery life, are much brighter, andhave more colors.
c)
A fluorescent display emits a very bright light with high contrastand can support display elements of various colors.
d)
None of these
4.
Which of the following statements is not correct about CCD?
a)
A charge-coupled device (CCD) is a light-sensitive integratedcircuit that stores and displays the data for an image.
b)
CCDs are now commonly included in digital still and videocameras.
c)
CCDs move charge between capacitive bins in the device.
d)
A good CCD can’t produce an image in extremely dim light.
5.
Which of the following statements is correct about screen brightness?
a)
The brightness and contrast buttons are on the front of themonitor.
b)
You can find it on the on-screen menu.
c)
Laptop displays don’t have brightness buttons.
d)
All of these
6.
Which of the following statements is correct about GPS? ∆∆∆
a)
a. A laptop GPS tracking system is just an extended version of GPS.
b)
b. All you need is a laptop GPS receiver and a GPSmapping software.
c)
c. The Bluetooth option has to be disabled.
d)
A and B
7.
Which is not correct about laptop components?
a)
Laptops only work from battery power.
b)
The motherboard of a laptop is the backbone of the system.
c)
Motherboards are designed along with the laptop case.
d)
Hardware devices are smaller and not quite as powerful.
8.
Which of the following is not correct about tablets?
a)
A tablet is a wireless, portable personal computer.
b)
The most common type of tablet is the slate.
c)
Hybrid tablets are sometimes called convertible orhybrid notebooks.
d)
A tablet is larger than a notebook.
9.
A smartphone is a cellular phone with an operating system.
a)
True
b)
False
10.
A digitizer converts analog signals to digital.
a)
True
b)
False
11.
Which of the following statements is correct about a phablet?
a)
A phablet is a mobile device with the features of a smartphoneand tablet.
b)
It is smaller than a smartphone
c)
A smartphone does not support 3G and 4G.
d)
None of these
12.
Which of the following are open source mobile phone operating systems?
a)
a. Android
b)
b. Sailfish OS
c)
c. iOS
d)
a and b
13.
Which of the following functionality links apps between different devices?
a)
Optimize displayed data
b)
File synchronization
c)
Email, Calendar, Contacts
d)
Launcher
14.
Which of the following frees the user from having to learn complex commands?
a)
GUI
b)
Command driven interface
c)
MS-DOS
d)
GPU
15.
Which of the following operating systems uses APK?
a)
Windows
b)
Android
c)
iOS
d)
None of these
16.
Which tool is used to synchronize Android devices?
a)
iTunes/iCloud
b)
Google Sync
c)
OneDrive
d)
None of these
17.
When does a decrypt email issue occur?
a)
When the certificate has expired
b)
After you’ve cleared unwanted apps and files
c)
When there are too many heavier apps
d)
None of these
18.
Limited connectivity or no connectivity problems can occur due to what?
a)
a. The ISP
b)
b. Network adapter
c)
c. DHCP server being down
d)
a and b
19.
Which of the following statements is correct about fiber optics?
a)
a. Fibers are not made of plastic.
b)
C and D
c)
c. Fiber optic cables transmit signals in the form of light.
d)
d. To transmit data at a very high speed over long distances and ina secure way, fiber optic cable is best.
20.
Multimeter is used for measuring:
a)
voltage
b)
current
c)
resistance
d)
all of the above
21.
Limited connectivity or no connectivity problems can occur due to what?
a)
a. The ISP
b)
b. Network adapter
c)
c. DHCP server being down
d)
A and B
22.
Which TCP/IP protocol uses port 80?
a)
HTTPS
b)
HTTP
c)
POP3
d)
FTP
23.
RDP allows communication through a maximum of 64,000 channels.
a)
True
b)
False
24.
What are the two advantages that TCP has over UDP?
a)
Lower overhead
b)
Acknowledged delivery
c)
Faster delivery
d)
None of these
25.
Which of the following is correct about 802.11?
a)
a. Supports maximum bandwidth of 4 Mbps
b)
b. Is the first WLAN standard
c)
d. Network standards cover the physical layer technologyspecifications from Ethernet to wireless
d)
b and d
26.
How many types of wireless networking modes are there?
a)
4
b)
3
c)
2
d)
1
27.
Which of the following statements is correct about WPA2?
a)
WPA2 is a security technology commonly used for WiFinetworks.
b)
WPA2 stands for WiFi Protected Access 2.
c)
To encrypt a network with WPA2 you have to provide a routerwith an encryption key.
d)
All of the above
28.
Satellite Internet connection requires a dish to receive and transmitsignals to an orbiting satellite.
a)
True
b)
False
29.
Which of the following statements is correct about LAN?
a)
a. LAN stands for local area network.
b)
b. LAN uses expensive hardware.
c)
c. You can print a file from any system on the LAN server.
d)
A and C
30.
Which of the following statements is correct about port forwarding?
a)
a. It is an application of network address translation.
b)
b. Port forwarding is the only way to open ports on a firewall.
c)
c. Services residing on a protected internal network are available
d)
A and C
31.
Which of the following is correct about firewalls?
a)
a. A firewall is a device that monitors the data traffic.
b)
b. Firewalls guard the network by examining information insideevery network packet.
c)
c. You cannot implement alarms when abnormal traffic behavioris seen.
d)
A and B
32.
Power over Ethernet allows network cables carry electrical power.
a)
True
b)
False
33.
Which of the following is correct about firewalls?
a)
a. A firewall is a device that monitors the data traffic.
b)
b. Firewalls guard the network by examining information insideevery network packet.
c)
c. You cannot implement alarms when abnormal traffic behavioris seen.
d)
A and B
34.
What is not correct about 32 and 64-bit CPUs?⋁⋀
a)
a. A difference between 32-bit processors and 64-bit processors isthe number of calculations per second they can perform.
b)
b. Multiple cores allow for an increased number of calculations persecond that can be performed, increasing the processing power.
c)
c. 32-bit computers support a maximum of 4GB of memory. 64-bitcomputers can support memory amounts over 4GB.
d)
d. In the case of computer games, you get a lot more performanceby upgrading to using a 32-bit processor.
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