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WorksheetsComputer Fundamentals, Definitions, and Hardware Components
Total questions: 63
Worksheet time: 32mins
What is an electronic machine that takes data from input devices, processes it, and generates required information to output devices or stores it?
Motherboard
Printer
Computer
Keyboard
The term "computer" relates to the word "compute," which means to:
A) Program
B) Calculate
C) Network
D) Store
The four primary steps a computer performs in the information processing cycle are Input, Processing, Output, and:
Networking
Calculating
Storing
Communicating
Which characteristic of computers means that they can perform billions of calculations in a fraction of a second (e.g., microsecond, nanosecond, or picosecond)?
Accuracy
Versatility
Diligence
Speed
When computer hardware and software components perform consistently according to their specifications for a long period, this characteristic is defined as:
Speed
Versatility
Diligence
Reliability
Which characteristic indicates that a computer does not possess human traits like tiredness or lack of concentration, allowing it to work continuously without error?
Speed
Reliability
Diligence
Accuracy
One of the benefits of using computers in aspects of life is described as providing online transaction facilities to track bank records, such as loans and account statements. In which field.....
Education
Banking
Communication
Defense
In the context of the benefits of computers, which application is listed as one of the most commonly used for communication?
Video conferencing
Chatting
Learning systems
Which area of government use is specifically mentioned as using computers for passport and visa systems, national ID systems, and traffic systems?
Healthcare
Defense
Government
Education
Which computer characteristic implies that calculations made are 100% error-free, provided there are no input errors or software errors?
Diligence
Versatility
Accuracy
Speed
What component is considered the "virtual brain" of the computer, containing the Control Unit, Arithmetic and Logical Unit, and Registers?
Motherboard
Cache Memory
Central Processing Unit (CPU)
Power Supply Unit (PSU)
Which type of computer is described as the fastest and most expensive, often requiring an entire floor of a building and designed for specialized applications like weather forecasting?
Minicomputer
Mainframe computer
Supercomputer
Microcomputer
The main circuit board where all components are placed and connected is called the:
Expansion Card
Power Supply Unit (PSU)
Motherboard
Expansion Slot
A Minicomputer is a mid-sized server designed for multi-user computer systems, typically supporting simultaneous users ranging from hundreds up to:
5 clients
40 clients
200 clients
Thousands of clients
What input device utilizes a ball at the top of its casing and allows the user to roll the ball with their fingers to move the cursor on the screen?
Mouse
Trackball
Keyboard
Touch screen
What is the function of the Power Supply Unit (PSU)?
To control and sequence all processes performed by the CPU.
To store permanent instructions (ROM).
To convert AC power to regulated DC voltage for the computer components.
To perform arithmetic and logical operations.
Which output device uses ink to spray tiny nozzles onto the page and is typically categorized as a non-impact printer?
Dot-Matrix Printer
Laser Printer
Plotter
Inkjet Printer
Desktops, laptops, and All-in-One PCs are examples of which broad category of computer designed for a single user, relying on microprocessor technology?
Mainframes
Minicomputers
Microcomputers (or Personal Computers)
Supercomputers
What are components that process data inside the computer called?
Input components
Output components
Processing components
Storage components
Which type of port uses a thin reversible connector, supports high speeds (from 5 Gbps to 40 Gbps), and can be used for charging laptops?
USB 2.0
HDMI
Thunderbolt (or USB-C)
VGA
Which type of computer memory is volatile, meaning its content is lost or cleared when the computer is shut down or power is cut off?
ROM (Read-Only Memory)
RAM (Random Access Memory)
Flash Drive
Hard Disk Drive (HDD)
ROM stores instructions permanently and is used during the startup process of the computer. What does ROM stand for?
Random Optical Media
Read-Only Memory
Run Optimization Manager
Reserved Operating Module
What is Cache Memory used for?
Permanent storage of the Operating System.
Storing and retrieving data more quickly to minimize latency caused by delays between the CPU and main memory.
Running the BIOS program.
Performing arithmetic calculations.
Which type of secondary storage device is typically composed of multiple metal disk platters used to store digital information?
CD-ROM
Hard Disk Drive (HDD)
Flash Drive
Blu-ray Disk
How is the speed difference between accessing data from main memory (RAM) compared to retrieving data from L1 Cache measured?
L1 Cache takes 100 or more clock cycles.
L1 Cache takes 1 to 3 clock cycles, compared to main memory taking 100 or more.
L1 Cache takes 10 to 30 clock cycles.
L1 Cache and main memory speeds are identical.
Which optical disk device uses a blue laser beam, allowing it to store up to 128 GB of data in a quad-layer format?
CD-ROM
DVD
Blu-ray Disk (BD)
USB Flash Drive
Which secondary storage technology lacks any moving mechanical components, is faster than HDDs, and is often used in smartphones and laptops?
Optical Disk Drive (ODD)
Solid State Drive (SSD)
Hard Disk Drive (HDD)
Magnetic Tape
What is the typical maximum storage capacity of a single-layer, single-sided DVD?
700 MB
1.44 MB
4.7 GB
25 GB
Which storage medium is described as a portable, plug-and-play device that connects to a USB port and uses Flash memory technology?
Hard Disk Drive
Blu-ray Disk
USB Flash Drive
CD-ROM
Which of the Secondary storage devices has the largest capacity?
A) Magnetic Tape
B) HDD
C) Blu-Ray
D) SSD
Software is .....................................................................................................................................................:
A) Piece of hardware
B) Series of commands written to solve a specified problem
C) program made to accomplish a particular task
D) Storage requirement
Which category of software starts the computer, keeps it running, and performs elementary tasks such as file management and running applications?
Application Software
Programming Software
Device Drivers
System Software
................................................ is a function stored permanently in the ROM, runs automatically when a computer is turned on, and performs a critical initial function?
Scanning for viruses
Power-On Self-Test (POST)
Compiling new applications
Accessing the internet
Programs that work together with the operating system and perform services that keep the OS running smoothly are called:
Device Drivers
Application Software
System Utility Programs
BIOS
Which type of software is designed to execute functions, tasks, or activities that benefit the user, such as word processors or web browsers?
System Software
Utility Software
Device Drivers
Application Software
A Device Driver is a type of software specifically designed to control a particular piece of:
Software
Hardware
Programming Language
Operating System
What tool is used by programming languages like Python and Ruby to translate the source code line by line?
Compiler
Operating System
Interpreter
Device Driver
Which term describes copyrighted software that is available for use without cost, but typically carries restrictions such as the inability to modify or sell it for profit?
Shareware
Open Source Software
Freeware
Commercial Software
Which type of software is copyrighted and must be purchased to obtain a license key required for installation?
Commercial Software
Shareware
Freeware
Open Source Software
What is the contract you must accept if you want to install software, or press "cancel" if you do not want to download it, which dictates the terms of use?
Freeware Agreement
End-User License Agreement (EULA)
Shareware License
Open Source Agreement
What is the design and arrangement of a workplace and devices to maximize efficiency and promote proper circulation for human use?
Hardware
Reliability
Ergonomics
Copyright
A common health problem associated with prolonged computer use, which may cause eye pain, headaches, and blurred vision, is known as:
Repetitive Strain Injury (RSI)
Carpal Tunnel Syndrome (CTS)
Computer vision syndrome (Eye Strain)
Back pain
Repetitive Strain Injuries (RSI) are an overuse injury that causes pain from repeated action, primarily appearing in ...........................
A) Muscular or nervous tissues
B) Head
C) Back and hips bones
D) Eyes
To reduce eye strain, the 20-20-20 rule recommends that every 20 minutes, you should look at a remote object at least 20 feet away for approximately how long?
5 seconds
10 seconds
20 seconds
60 seconds
What legal term grants the creator of an original work (like software) the exclusive rights to control its use, distribution, and modification?
Patent
Trademark
Copyright
Licensing Agreement
This picture is a ......................................
Ethernet Card
Sound Card
Graphic Card
Motherboard
What is the use of others' work or ideas without providing proper credit or reference, or acting as if the work belongs to you?
Copyright infringement
Plagiarism
Piracy
Fair use
This picture is ..................
Cache
RAM
ROM
SSD
What is a key ergonomic requirement for a desk, according to the sources?
Must be glass-topped
Should be adjustable, allowing for good legroom
Must be placed against a window
Must have built-in speakers
Which of the following is temporary memory?
RAM
Registers
ROM
Cache
What is the smallest unit of data in a computer system?
Byte
Kilobyte
Bit
Word
A Byte consists of how many bits?
4
8
16
1024
This picture for --------
Mainframe
Microcomputer
Server
Supercomputer
One Kilobyte (KB) is equal to:
1,000 bits
1,024 bytes
8,000 bits
1,000,000 bytes
The clock speed of the Central Processing Unit (CPU) is typically measured in Hertz (Hz). What unit represents billions of cycles per second?
Megahertz (MHz)
Kilohertz (kHz)
Terahertz (THz)
Gigahertz (GHz)
In computer communication, the speed of an Internet card is measured in Kbps, Mbps, or Gbps. What does the 'b' in Kbps/Mbps/Gbps specifically represent?
A) Bytes
B) Binary
C) Bus
D) Bits
If a modern CPU has 4 cores, this is referred to as a:
Dual-core processor
Quad-core processor
Octa-core processor
Hexa-core processor
What determines the number of bits that the CPU (per core) can accept simultaneously as input?
Clock speed
Cache size
Processor word size
Bus speed
The Binary System is referred to as Base 2 because it uses how many digits?
1
2
8
16
The largest storage units of the following is:
Kilobyte
Terabyte
Gigabyte
Petabyte
What is the primary purpose of using ergonomic chairs in a computer workstation?
D) To increase the height of the workstation
C) To reduce the cost of office furniture
B) To provide comfort and support for long periods of sitting
A) To enhance aesthetic appeal
Which type of computer memory is non-volatile and retains data even when the power is turned off?
C) Cache Memory
B) ROM (Read-Only Memory)
D) Virtual Memory
A) RAM (Random Access Memory)
What is the function of a graphics card in a computer system?
B) To process and render images and videos
D) To connect to the internet
A) To manage input devices
C) To store data permanently
