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Explore the components and functionality of computer systems, from hardware to software, and gain insights into their design and operation.
Which of the following devices is an input and an output device?
A bit ______ graphic is one way of storing an image on a computer.
The binary number 1101 represents the decimal number _______________
It serves as a gateway to transfer data between networks.
The main purpose of a computer is to process data. The processing stage takes place within the__________________.
Machine language is
From the following which is an output device?
It is a collection of computer network that link billions of different computers around the world.
which is not input device
Which of the following is a read only memory storage device?
Which of the following memories allows simultaneous read and write operations?
Software used to control the computers boot up and its peripheral equipment.
Anytime access, ease of use, backup, document sharing.
This is when the computers are linked to a network and enables sharing of information and files.
Which of the following is the device that connects internal components together in a computer system?
The decimal number 9 is represented by ________ in binary.
Resolution of an image is dependent on
Which backing storage device does a Raspberry Pi use?
Which of the following is true of ROM?
From the following which is not secondary memory device
Which of the following device was not invented by Babbage?
CPU
How many bits would it take to represent this black and white image?
Text must be stored in a binary code in computers. this code is called:
Hacking
An advanced computer pointing device that uses a light-emitting diode (LED)
Another name for main memory is:
The ALU of a computer normally contains a number of high speed storage element called
3. The keyboard layout designed by Sholes is :
Attachment
CD-ROM is a
A computer consists of
Convert 100101 to denary
What is the date when Babbage conceived Analytical engine
Which of the following is not a form of data?
AI and ML stands for
The ALU of a computer responds to the commands coming from
The internal fan that cools the microprocessor.
The two kinds of main memory are:
What is a backing storage device?
It is a computer output device that produces a permanent or hard copy of documents stored in the computer.
Which of the following is true of RAM?
Printer, speaker.
These are the facts and facet of records that we input into the computer.
Brain of the computer that performs instructions defined by software.
If volatile means that data is lost when the power is turned off, which term means that it is stored even without power?
6. Which of the following is not a database program?
Which of the following is NOT an embedded system?
The ___________________ is the part of the computer system that decides where to send data to be processed.
A disc usually used to store music files.
Choose the output device listed below
4. Who is usually referred to as the 'Father of Computers' ?
Which of the following is not an electronic computer?
A solid state drive is an example of which type of storage?
The activity of defrauding an online account holder of financial information by posing as a legitimate company.
Tick the input devices
What is ASCII?
Which of the following is not input unit device?
Tick the backing storage devices
Name the component of the computer system that performs calculations and logic operations ______________________.
Microsoft Word is an example of ___________ software.
The CPU (central Processing Unit):
Keyboard, screen, mouse, game pads, scanner.
Bit stands for
A computer disc usually used to store video/movies.
Where to find resources on the host. The host is the webpage.
Provides a certain service and manages resources.
Convert 83 to binary
Which of the following terms is the most closely related to main memory?
Which operation is not performed by computer
RAM is an example of which type of storage?
Who is the founder of Microsoft?
Types of storage devices
True
High level language is also called
Keyboard, mouse, CPU, monitor, printer, speakers.
The difference between memory and storage is that memory is _____ and storage is __
Internet Protocol
From the following which is not an input device
Which of the following are the best units of data on an external storage device?
The most common and widely used computer today which you can see in homes, schools, and in most businesses.
Devices that projects images, gives sound, and basically gives out the info from the computer (monitor, printer, projector, speakers)
Video file
Which statement is valid about computer program?
What are the three decisions making operations performed by the ALU of a computer?
Any invention including tools, machines, techniques, and power sources.
How many elements a computer system have?
The largest number that can be represented by 4 bits is:
It the most powerful computer available.
What is an input device?
Which of the following is found in RAM when the computer is being used?
-------------is used to measure memory
How many bits are in a byte? (type one number only)
Instructions and memory address are represented by
What type of data stored in the ROM?
Where information not being used by the CPU is stored.
Choose the input device listed below
What is the Caesar's Cipher?
Which of the following storage devices can store maximum amount of data?
Operating system
Software
The central processing unit (CPU) consists of
Name the component of the computer system that stores data that are currently being used by the CPU ___________________________________.
The term gigabyte refers to
An electronic device that can store and process data to help users complete tasks. Ex: Refrigerators, phones, game systems, TV, eBooks, i Pods.
The data is not saved.
These are set of guidelines and rules to follow when using the hardware, the software applications, and the data.
Uniform Resource Locator
Which of the following is the largest?
Which of the following is not an input device?
Which of the following machine was not invented by Charles Babbage?
How is each character stored in the computer-------------
When was vacuum tube invented?
Full form of ALU is
9. Which of the following is generally used as a computer input device?
Random Access Memory - Volatile, temporary memory to store data while the PC is running and is erased when computer turns off.
Set of instructions that tells the hardware what to do. It is what guides the hardware and tells it how to accomplish each task. Eg Microsoft Word, PowerPoint
Denary number system has base
An operating system is a----------------
Information Technology merges the study of three areas. These includes Computer Science, Office Automation and ___________________________.
It is the physical part of computer which includes the input and output devices.
Random Access Memory stores files temporarily being used by the CPU>
An paste that is applied on the CPU to transfer the heat from the microprocessor to the heat sink/CPU fan.
Web cam is an
Which sentence below best defines encryption?
The acronym ROM stands for:
"Father of the computer", Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs.
An electronic visual display for computers.
Microsoft Excel document
What produces useful information out of data?
What type of data stored in the RAM.
An integrated circuit is
Operating system, editors, and debuggers comes under?
Programs designed to perform specific tasks is known as
Robots can be used in automations
Which unit converts computer data into human readable form?
Full form of GUI is
The hard drive saves data
The brain of any computer system is
Most computer system have which six components?
It is a social networking service and website started in February 2004. It was built by Mark Zuckerberg.
When was Pascaline invented?
Spam
Bitmap images are stored as a series of tiny dots called
A device that enables the computer to send and receive electronic communication signals for internet and email.
An internal card the enables high quality pictures on the monitor.
A byte consists of
What is the encrypted text for "computer" when a Caesar cipher with a key value of A=d is used?
It is a computer input device modeled from the keys of typewriter.
A physical connection between the microprocessor memory and other parts of the microcomputer is known as
Storage device that stores digitally encoded data on rapidly rotating disks with magnetic surfaces.
Uses your internet to upload and save your data to an online space.
Full form of CPU is
...is a computer program that contains the set of instructions needed to tell the hardware what to do
1. Which of the following is the lowest level of computer language?
John Napier invented Logarithm in
RAM is type of --------
Printed circuit board on which the CPU, RAM chips and other electronic circuit elements are located.
Properly arranged data is called
What component is this...?
It is physical equipment that implements the data processing so that useful information may come as a result.
7. What is the word 'pixel' short for?
WAN
A group of computers that are connected together in order to share resources quickly and efficiently.
_Select all examples of input devices below.
Read Only Memory- Permanent memory that cannot be changed. It makes the BIOS function. Checks your OS.
Devices used to insert data into a computer (keyboard, mouse, microphone, scanner, voice recognition)
In a colour bit mapped graphic, if you use 4 bits for each pixel how many colours can you represent?
An output device used to transmit sound.
They use computers to teach learners better and faster.
How many kilobytes are in a megabyte? (type one number only)
What component is this...?
Carbon Copy; Blind Carbon Copy
Tells the operating system what type of program it needs to open.
High density double sided floppy disks could store _____ of data
5. The first IBM PC was released to the public prior to 1985.
Web browser, e-mail
A device that provides power to a computer.
Which device can understand difference between data & programs?
The earliest calculating devices are
10. 'WYSIWYG' is a great little computer word. But what does it stand for?
People who interact with the computer system, they are also called the end users.
Tick the output devices
The basic operations performed by a computer are
2. The term 'GUI' stands for...
Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
Choose the storage device listed below
RAM saves data
It refers to the people involved in the data processing operations such as the programmers, computer operators, and system analysts.
Abacus was the first
What is the responsibility of the logical unit in the CPU of a computer?
A _________ is an electronic device that performs tasks based on instructions given by the user.
The smallest number that can be represented by 4 bits is:
Hardware is:
What is an output device?
The smallest unit of memory. 8 bits = 1 byte.
Software has two types--------
Which part of the computer is used for calculating and comparing?
The translator program used in assembly language is called
The program you are using and the data you are working with.
There is no separate code for every alphabet, color, number, symbol
8. RAM refers to "Random Access Memory'
Full form of WWW is
Which one is the largest space?
Which of the following is machine independence program?
Tick two of the following options that are non-volatile
LAN
Web browsers, word processors, accounting programs.
It is an American micro-blogging and social networking service on which users post and interact with messages known as "tweets".
Which one do you like?
What form of data does a computer store?
It is a free, online photo-sharing application and social network platform that was acquired by Facebook in 2012.
Software in computer
A device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image
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