Desktop Support
This is usefull for desktop support profile.
- 1.
. Processors of all computers, whether micro, mini or mainframe must have ?
- A.
ALU
- B.
File unit
- C.
Copy unit
- D.
All of above
Correct Answer
A. ALU -
- 2.
A collection of 8 bits is called ?
- A.
Megabit
- B.
Byte
- C.
Word
- D.
Record
Correct Answer
B. Byte -
- 3.
The first step in troubleshooting many problems is to verify which of the following?
- A.
The subnet mask is valid
- B.
TCP/IP is installed correctly on the client
- C.
The WINS server is running
- D.
The BDC is operable
Correct Answer
B. TCP/IP is installed correctly on the client -
- 4.
Because the configuration information for a DHCP client is received dynamically, you must use which utility to read the current configuration to verify the settings?
- A.
PING
- B.
TRACERT
- C.
ARP
- D.
IPCONFIG
Correct Answer
D. IPCONFIG -
- 5.
Which of the following is the address of the router?
- A.
The IP address
- B.
The TCP address
- C.
The subnet mask
- D.
The default gateway
Correct Answer
D. The default gateway -
- 6.
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?
- A.
0.0.0.0, 0.0.0.1, 0.0.1.1
- B.
255.255.255.0, 255.255.0.0, 255.0.0.0
- C.
255.0.0.0, 255.255.0.0, 255.255.255.0
- D.
255.255.0.0, 255.255.255.0, 255.255.255.255
Correct Answer
C. 255.0.0.0, 255.255.0.0, 255.255.255.0 -
- 7.
. Sending a file from your personal computer's primary memory or disk to another computer is called:
- A.
Uploading
- B.
Downloading
- C.
Logging on
- D.
Hang on
Correct Answer
A. Uploading -
- 8.
. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
- A.
Switch
- B.
Bridge
- C.
Gateway
- D.
Router
Correct Answer
D. Router -
- 9.
. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
- A.
192
- B.
192.168.10
- C.
0.0.0.5
- D.
None of the above
Correct Answer
B. 192.168.10 -
- 10.
How many pins does a SIMM have?
- A.
50
- B.
90
- C.
30/72
- D.
45/50
Correct Answer
C. 30/72 -
- 11.
The various cards in a PC requires _______ voltage to function.
Correct Answer
DC - 12.
What type of hard disk formatting creates FAT (File Allocation Table) ?
- A.
High level
- B.
Low level
- C.
Minimum level
- D.
Maximum level
Correct Answer
A. High level -
- 13.
Which Component of pc maintains data and time ?
- A.
CMOS RAM
- B.
vRAM
- C.
DB RAM
- D.
ROM
Correct Answer
A. CMOS RAM -
- 14.
IRQ 1 is commonly assigned to:
- A.
It's usually open
- B.
System timer
- C.
Real time clock
- D.
keyboard
Correct Answer
D. keyboard -
- 15.
LCD monitor is also known as___________
- A.
TPT
- B.
CRT
- C.
PCV
- D.
TFT
Correct Answer
D. TFT -
- 16.
SMPS stands for:
- A.
Switch Made Power Supply
- B.
Simple Mode Power Supply
- C.
Simple Made Power Supply
- D.
Switch Mode Power Supply
Correct Answer
D. Switch Mode Power Supply -
- 17.
Which of the following is NOT a type of motherboard expansion slot?
- A.
ISA
- B.
PCI
- C.
AGP
- D.
ATX
Correct Answer
D. ATX -
- 18.
Data stored in a ROM can be changed by user of a computer?
- A.
True
- B.
False
Correct Answer
B. False -
- 19.
What is the name of the card that controls read,write head and motor in the hard disk ?
- A.
Network Card
- B.
NIC
- C.
Disc Controller Card
- D.
Network Controller Card
Correct Answer
C. Disc Controller Card -
- 20.
Fragmentation of data on computer hard disk causes it to work faster than before?
- A.
True
- B.
False
Correct Answer
B. False -
- 21.
Which of the following retains the information it's storing when the power to the system is turned off?
- A.
CPU
- B.
ROM
- C.
DRAM
- D.
DIMM
Correct Answer
B. ROM -
- 22.
What does FDISK do?
- A.
Performs low-level formatting of the hard drive
- B.
Fixes bad sectors on the hard drive
- C.
Recovers lost clusters on the hard drive
- D.
Creates partitions on the hard drive
Correct Answer
D. Creates partitions on the hard drive -
- 23.
That kind of connectors are used to connect a PC power supply to a hard drive?
- A.
AT
- B.
Molex
- C.
Mini-molex
- D.
P9
Correct Answer
B. Molex -
- 24.
Which of the following is NOT a type of computer hard drive?
- A.
IDE
- B.
FDD
- C.
SCSI
- D.
EIDE
Correct Answer
B. FDD -
- 25.
What type of connector is used to plug a telephone line into a modem?
- A.
COM1
- B.
RJ-11
- C.
RJ-45
- D.
RJ-10
Correct Answer
B. RJ-11 -
- 26.
What is BIOS an acronym for?
- A.
Bootstrap initial operating system
- B.
basic input output startup
- C.
Boot initial operating startup
- D.
Basic input output system
Correct Answer
D. Basic input output system -
- 27.
Which frequency is a SDRAM clock speed?
- A.
122Mhz
- B.
132Mhz
- C.
133Mhz
- D.
143Mhz
Correct Answer
C. 133Mhz -
- 28.
Which of the following is NOT a type of RAM?
- A.
SIMM
- B.
DIMM
- C.
ROM
- D.
SLIPP
Correct Answer
C. ROM -
- 29.
What is different between AT and ATX power supplies?
- A.
They are identical except for their shape.
- B.
AT supplies use a single P1 power connector while ATX uses P8 and P9.
- C.
AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector.
- D.
AT power supplies run on 120V AC current while ATX uses 220V AC
Correct Answer
C. AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector. -
- 30.
Hard Disk, DVD, CD-ROM are the examples What type of Memory?
- A.
Primary
- B.
Secondary
- C.
System
Correct Answer
B. Secondary -
- 31.
Portable Pen Drive connects to the________port of computer
Correct Answer
USB - 32.
Today's PC use, DDR SDRAM type of RAM..?
- A.
True
- B.
False
Correct Answer
A. True -
- 33.
What are the four key functions of a computer system?
- A.
Input, processing, output, and storage
- B.
Keyboard, display, memory, and disk drive
- C.
Word processing, spreadsheets, database
- D.
bits, bytes, words, and OSI
Correct Answer
A. Input, processing, output, and storage -
- 34.
Connectivity is a concept related to
- A.
transmitting information, either by computer or by phone
- B.
The interconnections within a computer
- C.
Using computer networks to link people and resources
- D.
Using computer networks to link people and resources
Correct Answer
C. Using computer networks to link people and resources -
- 35.
One of the most dramatic changes in connectivity and communications in the past five years or so has been ____.
- A.
mobile or wireless telephones
- B.
public and private discussion
- C.
satellite uplinks
- D.
Running programs on remote computers
Correct Answer
A. mobile or wireless telephones -
- 36.
The four basic elements of any communication system include
- A.
peer-to-peer, videoconferencing, online photo-conferencing, net optical
- B.
sending and receiving devices, communication channel, connection device, and data transmission specifications
- C.
Telephone lines, coaxial cables, fiber-optics cables, and communication channel
- D.
Software, hardware, communication channel, network
Correct Answer
B. sending and receiving devices, communication channel, connection device, and data transmission specifications -
- 37.
The transmission medium that carries the message is referred to as the
- A.
Send and receive device
- B.
Communication channel
- C.
Protocol
- D.
Gateways
Correct Answer
B. Communication channel -
- 38.
Data is transmitted using light through a ____ cable.
- A.
twisted pair
- B.
Fiber-optic
- C.
coaxial
- D.
Microwave
Correct Answer
B. Fiber-optic -
- 39.
Which physical connection is the fastest?
- A.
twisted pair
- B.
coaxial cable
- C.
fiber-optics
- D.
microwaves
Correct Answer
C. fiber-optics -
- 40.
Most Web-enabled devices follow a standard known as
- A.
FireWire
- B.
Bluetooth
- C.
TCP/IP
- D.
Wi-FI
Correct Answer
D. Wi-FI -
- 41.
This wireless standard is widely used to connect computers to each other and to the Internet.
- A.
802.11
- B.
RJ45
- C.
Blueband
- D.
Broadband
Correct Answer
A. 802.11 -
- 42.
A credit card-sized expansion board that is inserted into portable computers that connects the PC to the telephone wall jack is called what?
- A.
Internal modem
- B.
External modem
- C.
PC Card modem
- D.
Wireless modem
Correct Answer
C. PC Card modem -
- 43.
The rules for exchanging data between computers are called
- A.
Interconnections
- B.
Synchronous packages
- C.
protocols
- D.
data transmission synchronization
Correct Answer
C. protocols -
- 44.
Each computer on the Internet has a unique numeric address called a(n)
- A.
domain address
- B.
protocol address
- C.
IP address
- D.
Web address
Correct Answer
C. IP address -
- 45.
Two or more computers connected so that they can communicate with each other and share information is called a
- A.
Satellite
- B.
protocol
- C.
broadcast
- D.
Network
Correct Answer
D. Network -
- 46.
Any device that is connected to a network is called a
- A.
client
- B.
node
- C.
server
- D.
Manager
Correct Answer
B. node -
- 47.
Frames from one LAN can be transmitted to another LAN via the device
- A.
Router
- B.
Bridge
- C.
Repeater
- D.
None of the above
Correct Answer
B. Bridge -
- 48.
Which of the following condition is used to transmit two packets over a medium at the same time?
- A.
Contention
- B.
Collision
- C.
Synchronous
- D.
None of the above
Correct Answer
B. Collision -
- 49.
Which of the following is used for modulation and demodulation?
- A.
Modem
- B.
Protocols
- C.
Gateway
- D.
Multiplexer
Correct Answer
A. Modem -
- 50.
Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.
- A.
Modem
- B.
Cable
- C.
Hub
- D.
Router
Correct Answer
D. Router -
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Nov 29, 2017Quiz Edited by
ProProfs Editorial Team -
Nov 29, 2017Quiz Created by
Sameeralam358
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