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Computer System

Explore the components and functionality of computer systems, from hardware to software, and gain insights into their design and operation.

processor

memory

storage

input

output

graphics

motherboard

bios

firmware

peripheral

network

operating system

software

hardware

microcontroller

interface

Software has two types--------

  • Application and hardware
  • Keyboard and Operating system
  • System software and Application software
  • Operating system and Printer

Resolution of an image is dependent on

  • color
  • pixel per inch
  • shape
  • screen

Which of the following is not an electronic computer?

  • ENIAC
  • ABC
  • UNIVAC
  • EDVAC

Which of the following is a read only memory storage device?

  • Floppy Disk
  • CD-ROM
  • Hard Disk
  • None of these

An integrated circuit is

  • A complicated circuit
  • An integrating device
  • Much costlier than a single transistor
  • Fabricated on a tiny silicon chip

What is the Caesar's Cipher?

  • A way of password protecting a file
  • A simple encryption method that involves replacing each letter in a message with one ahead or behind in the alphabet
  • A complex encryption method using two keys
  • A complex encryption method using four keys

Brain of the computer that performs instructions defined by software.

  • Central Processing Unit (CPU)
    Image: https://o.quizlet.com/FaNWKN2NP9GdVykMCWOg0Q.jpg

7. What is the word 'pixel' short for?

  • picture element

An paste that is applied on the CPU to transfer the heat from the microprocessor to the heat sink/CPU fan.

  • Thermal Compound
    Image: https://o.quizlet.com/It9uCR1ISKwBVFmZnf178w.jpg

It refers to the people involved in the data processing operations such as the programmers, computer operators, and system analysts.

  • Hardware
  • Software
  • Peopleware
  • Procedure

The program you are using and the data you are working with.

  • What would you find on a network?

The earliest calculating devices are

  • Abacus
  • Clock
  • Difference Engine
  • None of these

What is a backing storage device?

  • A backing storage device is a device that converts the results from the processor into data we can see or hear.
  • A backing storage device is a device that allows the user to save data to and to load data from.
  • A backing storage device is part of the processor of a computer.
  • A backing storage device is a device that allows the user to give the computer data.

RAM is type of --------

  • Hardware
  • Secondary memory
  • Input Device
  • Primary memory

What component is this...?

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/78cb98f1-191c-4d7e-bafd-f64fd3d0cd66?w=200&h=200
  • CPU
  • Hard Drive
  • Motherboard
  • RAM stick

Where information not being used by the CPU is stored.

  • Long-Term Memory

Which of the following is not a form of data?

  • Numbers and characters
  • Images
  • Sound
  • None

The brain of any computer system is

  • ALU
  • Memory
  • CPU
  • Control unit

A _________ is an electronic device that performs tasks based on instructions given by the user.

  • device
  • computer
  • electronic device
  • hardware

The binary number 1101 represents the decimal number _______________

  • 13

From the following which is not secondary memory device

  • Tape Drive
  • Solid state driver
  • Touch screen
  • Memory Card

How many bits would it take to represent this black and white image?

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/670eb4c0-7a24-4f18-a67e-b64e867c3f5c?w=200&h=200
  • 10
  • 20
  • 25
  • 36

It is a free, online photo-sharing application and social network platform that was acquired by Facebook in 2012.

  • Twitter
  • Facebook
  • Instagram
  • Tumbler

Hardware is:

  • a) a set of instructions
  • b) the part of the computer system you can see and touch
  • c) the electrical supply of the computer
  • d) does all of the above

How many elements a computer system have?

  • 4
  • 5
  • 6
  • None of the above

From the following which is not an input device

  • Scanner
  • Touch Screen
  • Mouse
  • Printer

Which of the following devices is an input and an output device?

  • Keyboard
  • Touch sensitive screen
  • Mouse
  • Printer

The two kinds of main memory are:

  • Primary and secondary
  • Random and sequential
  • ROM and RAM
  • All of above

Types of storage devices

  • DVD
  • DVD
  • CD
  • FLASH DRIVE
  • SCANNER
  • HARD DISK DRIVE

The decimal number 9 is represented by ________ in binary.

  • 1001

What type of data stored in the RAM.

  • Secondary storage
  • Temporary data
  • Operating system
  • Permanent data

Full form of WWW is

  • World Wide Web
  • World Wide Wax
  • World Web Wax
  • Word Wide Web

9. Which of the following is generally used as a computer input device?

  • keyboard

Which of the following is machine independence program?

  • High level language
  • Low level language
  • Assembly language
  • Machine language

These are the facts and facet of records that we input into the computer.

  • Data
  • Files
  • Record
  • Word

The hard drive saves data

  • permanently

Most computer system have which six components?

  • Casing, Hard Drive, RAM, Graphics Card, CPU
  • Casing, Hard Drive, RAM, Motherboard, Graphics Card, CPU
  • Casing, Hard Drive, RAM, Motherboard, Power Supply Unit, CPU
  • Power Button, Graphics Card, USB ports, Bluetooth Antenna

AI and ML stands for

  • Art information and Man Language
  • Artificial intelligence andMajor Language
  • Artificial intelligence andmail
  • Artificial Intelligence and Machine Learning

They use computers to teach learners better and faster.

  • Teachers

Microsoft Excel document

  • A file extension of .xlsx means that the file contains what?

Operating system, editors, and debuggers comes under?

  • System Software
  • Application Software
  • Utilities
  • None of the above

6. Which of the following is not a database program?

  • MS-Word

The smallest unit of memory. 8 bits = 1 byte.

  • Bit

What is the date when Babbage conceived Analytical engine

  • 1642
  • 1837
  • 1880
  • 1850

The activity of defrauding an online account holder of financial information by posing as a legitimate company.

  • What does a phishing email try to do?

Denary number system has base

  • 16
  • 8
  • 10
  • 2

4. Who is usually referred to as the 'Father of Computers' ?

  • Charles Babbage

Information Technology merges the study of three areas. These includes Computer Science, Office Automation and ___________________________.

  • Information communication technology

Which of the following is true of RAM?

  • All data/instructions are lost when the power is turned off
  • Data/instructions are permanent
  • It is connected externally to the computer system
  • Contains the bootstrap

Bitmap images are stored as a series of tiny dots called

  • Pixies
  • Pixels
  • Pixars
  • Pictures

Which sentence below best defines encryption?

  • Encryption is the process of converting information or data into a code to prevent unauthorised access.
  • Encryption is the process of converting information or data into a code to prevent authorised access.
  • Encryption is the process of putting a password on a file to protect it.
  • Encryption is the process of slowing down data transfer.

The basic operations performed by a computer are

  • Arithmetic operation
  • Logical operation
  • Storage and relative
  • All of the above

This is when the computers are linked to a network and enables sharing of information and files.

  • Connectivity
  • Data
  • Hardware
  • Software

Tells the operating system what type of program it needs to open.

  • What does a file extension tell your computer?

Name the component of the computer system that performs calculations and logic operations ______________________.

  • Arithmetic and Logic Unit

Properly arranged data is called

  • Field
  • Words
  • Information
  • File

Which of the following storage devices can store maximum amount of data?

  • Floppy Disk
  • Hard Disk
  • Compact Disk
  • Magneto Optic Disk

Which one is the largest space?

  • Kilobyte
  • Petabyte
  • Terrabyte
  • Gigabyte

Full form of GUI is

  • Graphical User Idea
  • Graphical User Interface
  • Graphics Uses Interface
  • Graphical Uses Idea

RAM is an example of which type of storage?

  • Volatile
  • Big
  • Non Volatile
  • Small

Full form of CPU is

  • Control Processing Unit
  • Central processing Unit
  • Central Processing Unix
  • Central Programming Unit

Web cam is an

  • Input unit device
  • output unit device
  • Processing device
  • Input and Output device

Storage device that stores digitally encoded data on rapidly rotating disks with magnetic surfaces.

  • Hard Disc Drive
    Image: https://farm6.staticflickr.com/5293/5471945439_a13eab8d81.jpg

The main purpose of a computer is to process data. The processing stage takes place within the__________________.

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVyQ2FPWngyNkZod3FZUDFoX2YyTTBPYlcyLTBMdjF3dDJ4SXpvMTBDQ1BObmNYYzZsZnA4a3hxaGVFV0ZBVXFyVnY5cm0tcDhQUTNsZHNjc3hkSnUyX0VKVHRvUS5JMkM5NDlYcWVOdkdoNWFC?w=200&h=200
  • Keyboard
  • RAM
  • CPU
  • Printer

It is a computer output device that produces a permanent or hard copy of documents stored in the computer.

  • Monitor
  • Printer
  • Scanner

These are set of guidelines and rules to follow when using the hardware, the software applications, and the data.

  • Algorithms
  • Instructions
  • Procedures
  • Programs

Any invention including tools, machines, techniques, and power sources.

  • Technology

Which of the following terms is the most closely related to main memory?

  • Non volatile
  • Permanent
  • Control unit
  • Temporary

WAN

  • Which of the following are you likely to find between multiple school buildings in an city wide school district?

A solid state drive is an example of which type of storage?

  • Volatile
  • Big
  • Non Volatile
  • Small

What produces useful information out of data?

  • Computer
  • Processing
  • Programming
  • none of above

Printed circuit board on which the CPU, RAM chips and other electronic circuit elements are located.

  • Motherboard
    Image: https://o.quizlet.com/Q-Hu4IlLyqN0fBhf68iGAg.jpg

Attachment

  • A file that is sent along with an email message is called a(n)...

Who is the founder of Microsoft?

  • Bill Gates
  • Steve Jobs
  • Grace Hopper
  • Ada Lovelace

Where to find resources on the host. The host is the webpage.

  • What does the location in a URL identify?

An advanced computer pointing device that uses a light-emitting diode (LED)

  • Optical Mouse
    Image: https://farm8.staticflickr.com/7391/12311308474_bfcee3622f.jpg

A group of computers that are connected together in order to share resources quickly and efficiently.

  • What is a network?

Devices that projects images, gives sound, and basically gives out the info from the computer (monitor, printer, projector, speakers)

  • Output

Web browsers, word processors, accounting programs.

  • Application software examples

John Napier invented Logarithm in

  • 1614
  • 1617
  • 1620
  • None of above

Tick the output devices

  • Mouse
  • Speakers
  • Screen
  • Printer

Which of the following is found in RAM when the computer is being used?

  • Software currently in use
  • The bootstrap
  • The motherboard
  • A USB stick

People who interact with the computer system, they are also called the end users.

  • Computer Operator
  • Computer Technician
  • System Analyst
  • System Programmer

RAM saves data

  • temporarily

Keyboard, mouse, CPU, monitor, printer, speakers.

  • The main hardware components of a home computer are...

What is ASCII?

  • American Standard code for information interchange

1. Which of the following is the lowest level of computer language?

  • machine language

A bit ______ graphic is one way of storing an image on a computer.

  • map

It is physical equipment that implements the data processing so that useful information may come as a result.

  • Hardware

Convert 100101 to denary

  • 37

An output device used to transmit sound.

  • Speakers

Name the component of the computer system that stores data that are currently being used by the CPU ___________________________________.

  • Main Memory

Abacus was the first

  • Electronic computer
  • Mechanical computer
  • Electronic calculator
  • mechanical calculator

Software

  • Computer programs and games are called what?

It is a social networking service and website started in February 2004. It was built by Mark Zuckerberg.

  • Instagram
  • Twitter
  • Facebook

What is an input device?

  • An input device is a device that converts the results from the processor into data we can see or hear.
  • An input device is a device that allows the user to save data to and to load data from.
  • An input device is part of the processor of a computer.
  • An input device is a device that allows the user to give the computer data.

A disc usually used to store music files.

  • CD ROM
    Image: https://farm1.staticflickr.com/145/368149429_5e3120ac09.jpg

How is each character stored in the computer-------------

  • Binary number

What is the encrypted text for "computer" when a Caesar cipher with a key value of A=d is used?

  • eqorwvgt
  • frpsxwhu
  • iusvazkx
  • frpsswhu

The largest number that can be represented by 4 bits is:

  • 12
  • 13
  • 15
  • 31

Which of the following machine was not invented by Charles Babbage?

  • Tabulating Machine
  • Analytical Engine
  • Difference Engine
  • Both C and D

Which of the following is not an input device?

  • OCR
  • Optical scanners
  • Voice recognition device
  • COM (Computer Output to Microfilm)

The ALU of a computer normally contains a number of high speed storage element called

  • Semiconductor memory
  • Registers
  • Hard disks
  • Magnetic disk

It is an American micro-blogging and social networking service on which users post and interact with messages known as "tweets".

  • Twitter
  • Facebook
  • Instagram
  • Tumbler

Which of the following is not input unit device?

  • Scanner
  • Camera
  • Plotter
  • Digitizer

A device that enables the computer to send and receive electronic communication signals for internet and email.

  • Modem
    Image: https://farm6.staticflickr.com/5293/5420134556_75eab9d820.jpg

Instructions and memory address are represented by

  • Character code
  • Binary codes
  • Binary word
  • Parity bit

Which unit converts computer data into human readable form?

  • Input unit
  • Output unit
  • ALU
  • Control Unit

Which device can understand difference between data & programs?

  • Input device
  • Output device
  • Memory
  • Microprocessor

Which of the following is NOT an embedded system?

  • Smartphone
  • Washing Machine
  • Cash Register
  • GPS

Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

  • ENIAC
  • MARK I
  • Z3
  • ABC

The translator program used in assembly language is called

  • Compiler
  • Interpreter
  • Assembler
  • Translator

Text must be stored in a binary code in computers. this code is called:

  • Code for text
  • ASCII
  • Alphabet code
  • ACISS

Programs designed to perform specific tasks is known as

  • System software
  • Application software
  • Utility programs
  • Operating system

It is a computer input device modeled from the keys of typewriter.

  • Game Pad
  • Mouse
  • Keyboard

Which statement is valid about computer program?

  • It is understood by a computer
  • It is understood by programmer
  • It is understood user
  • Both a & b

Uses your internet to upload and save your data to an online space.

  • Cloud Storage

When was vacuum tube invented?

  • 1900
  • 1906
  • 1910
  • 1880

CPU

  • Which component of a computer controls the entire system and is often called the brain of the computer?

The difference between memory and storage is that memory is _____ and storage is __

  • Temporary, permanent
  • Permanent, temporary
  • Slow, fast
  • All of above

Carbon Copy; Blind Carbon Copy

  • What do Cc and Bcc stand for?

which is not input device

  • Scanner
  • Joy stick
  • plotter
  • Microphone

Software in computer

  • Enhances the capabilities of the hardware machine
  • Increase the speed of central processing unit
  • Both of above
  • None of above

It serves as a gateway to transfer data between networks.

  • What is a router for?

The most common and widely used computer today which you can see in homes, schools, and in most businesses.

  • Microcomputers
  • Handheld Computers

Choose the input device listed below

  • Keyboard
  • Speakers
  • USB Stick
  • Monitor

The acronym ROM stands for:

  • a) Random Only Memory
  • b) Read Only Memory
  • c) Read Optical Module
  • d) Random Organizing Memory

True

  • The Internet is considered a WAN.

The data is not saved.

  • Which statement best describes what happens to the temporary working memory (RAM) of a computer when it is shut down?

Full form of ALU is

  • Arithmetic Logic Unit
  • Arithmetic Legal Unit
  • Arithmetic Logic Unix
  • Arithmetic Localc Unit

Another name for main memory is:

  • a) secondary storage
  • b) primary storage
  • c) magnetic tape
  • d) hard disk

A device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image

  • Scanner
    Image: https://o.quizlet.com/5U9Zh9Ukn6e7EGl7D7.sUQ.jpg

Software used to control the computers boot up and its peripheral equipment.

  • Operating System (OS)
    Image: https://o.quizlet.com/i/YlzQYzXlcWCy4mN1nwUrag.jpg

...is a computer program that contains the set of instructions needed to tell the hardware what to do

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVvLU9ETHo3YUlYUG9neUlGdkdRZVBrZ0FZUUNuMzE1VW5Ybkc1N3VGWDR3ZWpveHNseHhsU2U1Y1B1VFBuRTh5dHRDSmowam9wMXpJTVUtZmZWMjluZXRzZmt4US5Ea19OMDJzYjBsWlQtN2Vr?w=200&h=200
  • Hardware
  • Input device
  • Processing
  • Software

What is the responsibility of the logical unit in the CPU of a computer?

  • To produce result
  • To compare numbers
  • To control flow of information
  • To do math’s works

Tick the backing storage devices

  • Hard drive
  • Hard drive
  • USB Memory stick
  • Webcam
  • SD Card

Internet Protocol

  • What does IP stand for?

Web browser, e-mail

  • Network application examples

There is no separate code for every alphabet, color, number, symbol

  • True
  • False

The CPU (central Processing Unit):

  • a) sends data to be processed
  • b) performs arithmetic and logic functions
  • c) processes raw data into information
  • d) does all of the above

8. RAM refers to "Random Access Memory'

  • True

Which of the following is the largest?

  • 0.2 Gigabytes
  • 100 Megabytes
  • 1000 Kilobytes
  • 1,000,000 bits

What component is this...?

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b710a686-046a-45f6-a2b5-d1444a537f93?w=200&h=200
  • CPU
  • Hard Drive
  • Motherboard
  • RAM stick

Hacking

  • The art of cracking into a computer to steal information is called?

Which of the following are the best units of data on an external storage device?

  • Bits
  • Bytes
  • Hertz
  • Clock cycles

Operating system

  • What controls a computer's basic operations?

An electronic visual display for computers.

  • Monitor
    Image: https://farm1.staticflickr.com/212/472777730_beb1f25592.jpg

Anytime access, ease of use, backup, document sharing.

  • What are the benefits of using a cloud storage option?

A computer disc usually used to store video/movies.

  • DVD
    Image: https://farm1.staticflickr.com/21/30167338_b558128dad.jpg

A physical connection between the microprocessor memory and other parts of the microcomputer is known as

  • Path
  • Address Bus
  • Route
  • All of the above

3. The keyboard layout designed by Sholes is :

  • QWERTY

The term gigabyte refers to

  • 1024 bytes
  • 1024 kilobytes
  • 1024 megabytes
  • 1024 gigabyte

The central processing unit (CPU) consists of

  • Input, output and processing
  • Control unit, primary storage, and secondary storage
  • Control unit, arithmetic-logic unit and primary storage
  • Control unit, processing, and primary storage

Tick the input devices

  • Webcam
  • Webcam
  • Microphone
  • Screen
  • Keyboard
  • Mouse

"Father of the computer", Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs.

  • Charles Babbage
    Image: https://o.quizlet.com/j7vduuOVKgwolSggrvpulQ.jpg

Which of the following is the device that connects internal components together in a computer system?

  • Motherboard
  • RAM
  • CPU
  • Hard Disk Drive

If volatile means that data is lost when the power is turned off, which term means that it is stored even without power?

  • non volatile

Which backing storage device does a Raspberry Pi use?

  • USB Memory stick
  • Cloud storage
  • Hard drive
  • SD Memory Card

In a colour bit mapped graphic, if you use 4 bits for each pixel how many colours can you represent?

  • 32
  • 8
  • 16
  • 4

How many bits are in a byte? (type one number only)

  • 8

From the following which is an output device?

  • 3D printer
  • Keyboard
  • Mouse
  • Scanner

The ALU of a computer responds to the commands coming from

  • Primary memory
  • Control Unit
  • External memory
  • Cache memory

Random Access Memory - Volatile, temporary memory to store data while the PC is running and is erased when computer turns off.

  • RAM
    Image: https://farm5.staticflickr.com/4127/5003334561_d0476eb715.jpg

A device that provides power to a computer.

  • Power Supply
    Image: https://o.quizlet.com/i/1A8wb2agiBgxm_CfrIh88g.jpg

Which one do you like?

  • Option 1
  • Option 2
  • Option 3
  • Option 4

Microsoft Word is an example of ___________ software.

  • Application Software
  • System Software
  • Software
  • Operating System

2. The term 'GUI' stands for...

  • Graphical User Interface

The smallest number that can be represented by 4 bits is:

  • 1
  • 0
  • 2
  • 3

High density double sided floppy disks could store _____ of data

  • 1.40 MB
  • 1.44 GB
  • 1.40 GB
  • 1.44 MB

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

  • Software
    Image: https://farm1.staticflickr.com/2/2326860_03166ed0e0.jpg

What are the three decisions making operations performed by the ALU of a computer?

  • Grater than
  • Less than
  • Equal to
  • All of the above

Which operation is not performed by computer

  • Inputting
  • Processing
  • Controlling
  • Understanding

An electronic device that can store and process data to help users complete tasks. Ex: Refrigerators, phones, game systems, TV, eBooks, i Pods.

  • Which definition best describes a computer?

LAN

  • In which of these places might you be most likely to find a peer-to-peer network?

When was Pascaline invented?

  • 1617
  • 1620
  • 1642
  • 1837

What form of data does a computer store?

  • Alphanumeric
  • primary
  • Binary
  • High level

Uniform Resource Locator

  • What does URL stand for?

Random Access Memory stores files temporarily being used by the CPU>

  • Which statement best defines 'RAM'?

Tick two of the following options that are non-volatile

  • ROM
  • ROM
  • Solid State Drive

Bit stands for

  • Binary digits
  • Bit of system
  • A part of byte
  • All of above

A computer consists of

  • A central processing unit
  • A memory
  • Input and output unit
  • All of the above

CD-ROM is a

  • Semiconductor memory
  • Memory register
  • Magnetic memory
  • None of above

What type of data stored in the ROM?

  • Program files to execute
  • Permanent data
  • Currently working on file
  • short time data

Printer, speaker.

  • Output device examples

A byte consists of

  • One bit
  • Four bits
  • Eight bits
  • Sixteen bits

High level language is also called

  • Problem oriented language
  • Business oriented language
  • Mathematically oriented language
  • All of the above

The internal fan that cools the microprocessor.

  • CPU fan
    Image: https://o.quizlet.com/i/6HYUyQbTdY5ShY9lUAphDQ.jpg

_Select all examples of input devices below.

  • Hard drive
  • Monitor
  • Microphone
  • Mouse

10. 'WYSIWYG' is a great little computer word. But what does it stand for?

  • What You See Is What You Get

It the most powerful computer available.

  • Mainframe Computer
  • Super Computer
  • Mid-range Computer

It is a collection of computer network that link billions of different computers around the world.

  • Internet
  • Bluetooth

What is an output device?

  • An output device is a device that converts the results from the processor into data we can see or hear.
  • An output device is a device that allows the user to save data to and to load data from.
  • An output device is part of the processor of a computer.
  • An output device is a device that allows the user to give the computer data.

Robots can be used in automations

  • True
  • False

An operating system is a----------------

  • Application software
  • Web browser
  • Hardware
  • System software

The ___________________ is the part of the computer system that decides where to send data to be processed.

  • Control Unit

Keyboard, screen, mouse, game pads, scanner.

  • Input device examples

Which of the following is true of ROM?

  • All data/instructions are lost when the power is turned off
  • Data/instructions can be edited when required
  • It is connected externally to the computer system
  • Contains the bootstrap

Which part of the computer is used for calculating and comparing?

  • Disk unit
  • Control unit
  • ALU
  • Modem

Choose the storage device listed below

  • Earphones
  • Controller
  • SD Card
  • Mouse

Video file

  • A file extension of .mp4 means that the file contains what?

Devices used to insert data into a computer (keyboard, mouse, microphone, scanner, voice recognition)

  • Input
    Image: https://farm8.staticflickr.com/7075/7254221968_69b736fd82.jpg

Convert 83 to binary

  • 1010011

Choose the output device listed below

  • Microphone
  • Speakers
  • Hard Disk Drive
  • Mouse

Spam

  • The official slang term for junk mail is what?

Provides a certain service and manages resources.

  • What does a server do?

-------------is used to measure memory

  • Kmph
  • mtr
  • Mb and Gb
  • cm/in

Read Only Memory- Permanent memory that cannot be changed. It makes the BIOS function. Checks your OS.

  • ROM
    Image: https://o.quizlet.com/gzZGNsy1weY82kAVq2jAXQ.jpg

It is the physical part of computer which includes the input and output devices.

  • CPU
  • Hardware
  • Input Unit
  • Software

5. The first IBM PC was released to the public prior to 1985.

  • True

Which of the following memories allows simultaneous read and write operations?

  • ROM
  • RAM
  • EPROM
  • None of above

How many kilobytes are in a megabyte? (type one number only)

  • 1000

Machine language is

  • Machine dependent
  • Difficult to program
  • Error prone
  • All of above

Which of the following device was not invented by Babbage?

  • Pascaline
  • Difference Engine
  • Analytical Engine
  • None of above

An internal card the enables high quality pictures on the monitor.

  • Video card
    Image: https://farm5.staticflickr.com/4098/4785088870_acb29f3900.jpg
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