IT Essentials Chapter 1 Part 2 Exam
This test is design to test the basic hardware and software knowledge of computer systems.
Questions and Answers
- 1.
Describe the purpose of ROM?
- 2.
Which of the following answers are the correct functions of the computer.
- A.
Inputs
- B.
Processes
- C.
Outputs
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "all of the above" because a computer performs all three functions: inputs, processes, and outputs. Inputs refer to the data or information that is entered into the computer, processes involve the manipulation and calculation of the input data, and outputs are the results or information produced by the computer. Therefore, "all of the above" accurately describes the functions of a computer.Rate this question:
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- 3.
Which of these choices below are input devices?
- A.
Mouse
- B.
Keyboard
- C.
Scanner
- D.
Headset
- E.
All of the above
- F.
None of the above
Correct Answer
E. All of the aboveExplanation
All of the given choices are input devices. A mouse is an input device that allows the user to move a cursor on the screen and interact with graphical user interfaces. A keyboard is an input device that allows the user to input text and commands. A scanner is an input device that allows the user to convert physical documents or images into digital format. A headset is an input device that allows the user to input audio. Therefore, all of the above choices are correct as input devices.Rate this question:
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- 4.
Which of the choices below are output devices?
- A.
Monitor
- B.
Printer
- C.
Speaker
- D.
Headset
- E.
A & B only
- F.
All of the above
Correct Answer
F. All of the aboveExplanation
All of the choices listed are output devices. A monitor displays visual output, a printer produces printed output, a speaker emits audio output, and a headset is used to listen to audio output. Therefore, all of the devices mentioned in the options are capable of producing output in different forms, making "All of the above" the correct answer.Rate this question:
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- 5.
What does the letters in the acronym ROM stand for?
- A.
Random Only Memory
- B.
Read Output Menu
- C.
Rotatable Open Memory
- D.
Read Only Memory
Correct Answer
D. Read Only MemoryExplanation
ROM stands for Read Only Memory. This type of memory is non-volatile and cannot be modified or erased once it has been programmed. It is used to store permanent data and instructions that are essential for the computer system to boot up and operate. Unlike Random Access Memory (RAM), which is volatile and temporary, ROM retains its data even when the computer is turned off. Therefore, the correct answer is Read Only Memory.Rate this question:
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- 6.
What does the letters in the acronym RAM mean?
- A.
Real Access Module
- B.
Random Acute Memory
- C.
Repeat Access Menu
- D.
Random Access Memory
Correct Answer
D. Random Access MemoryExplanation
RAM stands for Random Access Memory. This type of computer memory allows data to be accessed randomly, meaning that any piece of data can be retrieved without having to go through the entire memory. Unlike other types of memory, such as hard drives or CDs, which require sequential access, RAM allows for quick and efficient data retrieval. It is used by computers to temporarily store data that is being actively used by the CPU, allowing for faster processing speeds. RAM is volatile, meaning that its contents are lost when the computer is powered off.Rate this question:
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- 7.
RAM works when the computer is off or on.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
RAM or random access memory only works when the computer is on. Data is can be volatile and the RAM chip/module will only store data when the computer is on.Rate this question:
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- 8.
Of the selection below, which ones are adapter cards?
- A.
Sound Adapter
- B.
Peripheral Component Interconnect Express
- C.
Video Graphics Adapter
- D.
NIC
- E.
Wireless NIC
- F.
Modem Port
Correct Answer(s)
A. Sound Adapter
C. Video Graphics Adapter
D. NIC
E. Wireless NICExplanation
The correct answer includes the options "Sound Adapter," "Video Graphics Adapter," "NIC," and "Wireless NIC." These are all examples of adapter cards. Adapter cards are hardware devices that are used to connect or adapt one type of hardware to another, allowing them to work together. In this case, the sound adapter, video graphics adapter, NIC (Network Interface Card), and wireless NIC are all adapter cards that enable the computer to connect to and use specific devices or networks.Rate this question:
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- 9.
Only select items that are expansion slots
- A.
Peripheral Component Interconnect (PCI)
- B.
Advanced Graphics Port (AGP)
- C.
PCI-Express
- D.
Mini PCI
Correct Answer(s)
A. Peripheral Component Interconnect (PCI)
B. Advanced Graphics Port (AGP)
C. PCI-Express
D. Mini PCIExplanation
All of the above are expansion slots.Rate this question:
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- 10.
Direct current comes from what devices?
- A.
Mother Board
- B.
Heat Sink
- C.
Power Supply
- D.
CPU
Correct Answer
C. Power SupplyExplanation
Direct current (DC) is a type of electrical current that flows in only one direction. It is commonly used in electronic devices such as computers, smartphones, and televisions. The power supply is responsible for converting the alternating current (AC) from the main power source into direct current, which is then used to power the various components of the device. Therefore, the correct answer is power supply, as it is the device that provides direct current to the other components.Rate this question:
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- 11.
Check all types of storage devices
- A.
Hard Disk Drives (HDD)
- B.
Solid State Drives (SSD)
- C.
Floppy Disk Drives (FDD)
- D.
PATA Drives (PDD)
Correct Answer(s)
A. Hard Disk Drives (HDD)
B. Solid State Drives (SSD)
C. Floppy Disk Drives (FDD)Explanation
The given answer includes three types of storage devices: Hard Disk Drives (HDD), Solid State Drives (SSD), and Floppy Disk Drives (FDD). These devices are all examples of storage devices used to store and retrieve data. HDDs and SSDs are commonly used in modern computers and laptops, while FDDs were commonly used in older computers and are now considered outdated. PATA Drives (PDD) is not included in the answer because it is not a commonly recognized type of storage device.Rate this question:
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- 12.
Power that comes from the wall socket is called _________ current.
Correct Answer(s)
AlternatingExplanation
Alternating current comes from the wall.Rate this question:
- 13.
Two hardware components are used to cool off the computer. Select the two items.
- A.
Heat Sink
- B.
Power Supply
- C.
Fan
- D.
Vents
Correct Answer(s)
A. Heat Sink
C. FanExplanation
The two hardware components used to cool off the computer are the heat sink and the fan. The heat sink is responsible for dissipating heat from the computer's central processing unit (CPU) by absorbing and spreading it out. The fan, on the other hand, helps to circulate air and remove heat from the computer's internal components. Together, these two components work in tandem to prevent the computer from overheating and ensure its optimal performance.Rate this question:
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- 14.
Select all the different types of RAM (Random Access Memory)
- A.
Dual Inside Memory Module (DIMM)
- B.
Single Inline Memory Module (SIMM)
- C.
Rim Bus Inline Memory Module (RIMM)
- D.
Small Outline Memory Module (SODIMM)
- E.
Dual Inline Package (DIP)
Correct Answer(s)
B. Single Inline Memory Module (SIMM)
D. Small Outline Memory Module (SODIMM)
E. Dual Inline Package (DIP) -
- 15.
The letters in SRAM stand for which of the following...
- A.
Static Random Access Memory
- B.
Simple Random Access Memory
- C.
Sample Read Access Memory
- D.
Supple Random Access Memory
Correct Answer
A. Static Random Access MemoryExplanation
SRAM stands for Static Random Access Memory. This type of memory is used in computers and other electronic devices to store data that can be accessed randomly. Unlike dynamic RAM (DRAM), which requires constant refreshing to retain data, SRAM retains data as long as power is supplied to the device. It is faster and more reliable than DRAM but also more expensive.Rate this question:
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- 16.
What is a Form Factor?
- A.
Layout and size of a case
- B.
Different types of motherboards
- C.
A small laptop
- D.
A small computer case
Correct Answer(s)
A. Layout and size of a case
B. Different types of motherboardsExplanation
A form factor refers to the layout and size of a case, as well as the different types of motherboards that can be accommodated within it. It determines the physical dimensions and arrangement of components in a computer system, ensuring compatibility and proper fit. The form factor of a case and motherboard is essential for determining the overall size and shape of a computer, as well as the placement of various components such as the processor, memory, and expansion slots. Different form factors are available to suit various needs and preferences, ranging from small and compact cases to larger and more expandable ones.Rate this question:
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- 17.
Memory that saves frequent information is called ___________.
Correct Answer(s)
CacheExplanation
Cache is a type of memory that stores frequently accessed information to improve the overall performance of a computer system. It acts as a buffer between the CPU and main memory, allowing for faster access to data and instructions that are repeatedly used. By keeping a copy of frequently accessed data closer to the CPU, cache memory reduces the time and energy required to fetch data from the main memory, resulting in faster execution of programs and improved system efficiency.Rate this question:
- 18.
What are the 4 basis units of Power?
- A.
Voltage, Power, Resistance, Current
- B.
Watts, Amps, Voltage, Ohms
- C.
Voltage, Current, Circuits, Power
- D.
Voltage,
Correct Answer
A. Voltage, Power, Resistance, CurrentExplanation
The correct answer is Watts, Amps, Voltage, Ohms. This answer is correct because watts, amps, voltage, and ohms are all units used to measure different aspects of power. Watts measure the rate at which work is done or energy is transferred, amps measure the current flowing through a circuit, voltage measures the electric potential difference, and ohms measure the resistance to the flow of current. Together, these four units provide a comprehensive understanding of power and its various components.Rate this question:
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- 19.
What does CPU Stand for?
- A.
Central Prompting Utility
- B.
Central Processing Unit
- C.
Constant Processing Utility
- D.
Critical Processing Unit
Correct Answer
B. Central Processing UnitExplanation
The correct answer is Central Processing Unit. The CPU is the primary component of a computer that performs most of the processing inside the computer. It interprets and executes instructions from the computer's memory, performs arithmetic and logical operations, and manages the flow of data between various parts of the computer.Rate this question:
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- 20.
A RJ-45 cable goes into what port.
- A.
Network port
- B.
Graphics Port
- C.
USB Port
- D.
SCSI
Correct Answer
A. Network portExplanation
The correct answer is Network port. An RJ-45 cable is commonly used to connect devices to a network, such as computers, routers, and switches. It is specifically designed to fit into a network port, which is the interface used for network connections. This port allows for data transmission between devices within a network, enabling communication and access to shared resources.Rate this question:
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- 21.
Select all the typical Input devices
- A.
Keyboard
- B.
Mouse
- C.
Scanner
- D.
Digital Camera
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
All of the options listed - keyboard, mouse, scanner, and digital camera - are typical input devices. Input devices are used to input data or commands into a computer system. The keyboard is used to input text and commands, the mouse is used to control the cursor and select objects on the screen, the scanner is used to convert physical documents or images into digital format, and the digital camera is used to capture and input digital images into the computer. Therefore, all of the above options are correct as they are all typical input devices.Rate this question:
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- 22.
Information Technology encompasses the use of computers, network hardware, and software to process, store, transmit, and retrieve information.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because Information Technology (IT) involves the utilization of computers, network hardware, and software to handle information in various forms. IT encompasses activities such as data processing, storage, transmission, and retrieval. This field plays a crucial role in modern society, enabling efficient communication, data management, and automation of various processes.Rate this question:
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- 23.
FireWire (IEEE 1394) - Transfers data at 100, 200, or 400 Mbps and IEEE 1394b at 800 Mbps.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Fire Wire is better know as light pipeRate this question:
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- 24.
Solid State Drives (SSD) use static RAM instead of magnetic platters to store data and highly reliable because they have no moving parts.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Solid State Drives (SSD) are indeed highly reliable because they have no moving parts. Unlike traditional hard drives that use magnetic platters to store data, SSDs use static RAM (Random Access Memory) to store data. This lack of moving parts makes SSDs less prone to mechanical failure, such as damage from drops or shocks. Additionally, SSDs have faster access times and are more resistant to temperature variations, making them a popular choice for storing and retrieving data in various electronic devices. Therefore, the statement is true.Rate this question:
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- 25.
SCSI devices are connected in a series, forming a chain that is called a _____ chain.
- A.
Daily
- B.
Daisy
- C.
Fairy
- D.
Metal
Correct Answer
B. DaisyExplanation
SCSI devices are connected in a series, forming a chain that is called a Daisy chain. In a Daisy chain configuration, each device is connected to the next device in the chain, creating a linear connection. This allows for easy expansion and connection of multiple devices using a single SCSI port.Rate this question:
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- 26.
SCSI is usually used for hard drives and for tape storage
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
SCSI (Small Computer System Interface) is a popular interface used for connecting peripheral devices to a computer. It is commonly used for hard drives and tape storage devices due to its fast data transfer rates and ability to support multiple devices on a single bus. SCSI has been widely adopted in the storage industry, making it a suitable choice for both hard drives and tape storage. Therefore, the statement "SCSI is usually used for hard drives and for tape storage" is true.Rate this question:
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- 27.
Up to 15 SCSI drives can be connected to a SCSI drive controller.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Up to 15 SCSI drives can be connected to a SCSI drive controller. This is because SCSI (Small Computer System Interface) technology allows for multiple devices to be connected in a daisy chain configuration. Each device in the chain has a unique ID, and the SCSI controller can support up to 15 devices. Therefore, it is true that up to 15 SCSI drives can be connected to a SCSI drive controller.Rate this question:
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- 28.
RJ-11 Cable goes into what port
- A.
Network Port
- B.
Telephone Jack
- C.
Printer port
- D.
USB Port
Correct Answer
B. Telephone JackExplanation
The RJ-11 cable is specifically designed for telephone connections. It is commonly used to connect telephones to telephone jacks, hence the correct answer is Telephone Jack.Rate this question:
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- 29.
SATA (Serial ATA) hard drives connect to the motherboard using a serial interface, have a higher data-transfer rate than Parallel Advanced Technology Attachment drives and smaller data cable allows for improved airflow.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because SATA hard drives do indeed connect to the motherboard using a serial interface, which allows for faster data transfer rates compared to Parallel ATA drives. Additionally, SATA drives use smaller data cables, which can improve airflow within the computer system.Rate this question:
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- 30.
DRAM stands for the following
- A.
Dynamic Random Access Memory
- B.
Dynamic Repeating Accelerating Memory
- C.
Dynastic Reported Access Module
- D.
Drastic Read Access Memory
Correct Answer
A. Dynamic Random Access MemoryExplanation
The correct answer is Dynamic Random Access Memory. DRAM is a type of computer memory that stores each bit of data in a separate capacitor within an integrated circuit. It requires constant refreshing to maintain the data, hence the term "dynamic". Random Access Memory means that any memory location can be accessed directly, allowing for efficient and fast data retrieval.Rate this question:
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Mar 21, 2023Quiz Edited by
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