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Evolution of computer
A. Multiple Choice Questions (MCQ’S)
i. It has been used in China and some other Asian countries till the end of 20th
century.
a) Abacus
b) Napier Bones
c) Slide Rule
d) Mark I
ii. Biggest achievement was the invention of algorithm
a) Abacus
b) Napier Bones
c) Slide Rule
d) Mark I
iii. Calculation was performed by rotation of wheels
a) Abacus
b) Napier Bones
c) Pascaline
d) Mark I
iv. He is known as father of modern digital computers :
a) Blaise Pascal
b) Howard Aiken
c) William Oughtred
d) Charles Babbage
v. Tabulating Machine Company was named International Business
Machine(IBM) was built by :
a) Herman Hollerith
b) Howard Aiken
c) William Oughtred
d) Charles Babbage
vi. This device is based on the idea of logarithm
a) Abacus
b) Napier Bones
c) Slide Rule
d) Mark I
vii. The machine could add three numbers having eight digits in one second.
a) Abacus
b) Napier Bones
c) Slide Rule
d) Mark I
viii. Today’s data center uses them for fast data processing.
a) High Performance
Computing
b) Cloud computing
c) Mark I
d) None of these
ix. The processing of storing and accessing data and programs over the
internet instead of computers hard drive.
a) Cloud computing
b) Mark I
c) Both a and b
d) None of these
x. It has an ability to retrieve ,store and process data
a) computer
b) Mark I
c) Napier Bones
d) Slide Rule
B. History and Generations of computer
i. In this generation speed of computer was very slow and memory was small.
a) 1st Generation
b) 2nd Generation
c) 3rd Generation
d) 4th Generation
ii. Era of the first generation of computer was from.
a) 1940-956
b) 1956-1963
c) 1963-1971
d) 1971-present
iii. In 1947, three scientists ,William Shockley, John Bardeen and Walter Brattain in vented
a) Vacuum Tubes
b) Microprocessor
c) Motherboard
d) Transistors
iv. Era of the second generation of computer was from
a) 1940-956
b) 1956-1963
c) 1963-1971
d) 1971-present
v. IC chips were developed in :
a) 1980s
b) Early 1970s
c) Early 1960s
d) Later 1960s
vi. Computer consumed less electricity ,became smaller ,cheaper and more reliable
a) 1st Generation
b) 2nd Generation
c) 3rd Generation
d) 4th Generation
vii. These computer supports multimedia software that combine, text image sound and
videos.
a) 1st Generation
b) 2nd Generation
c) 3rd Generation
d) 4th Generation
viii. Fourth Generation of computer developed a
a) Vacuum Tubes
b) Microprocessor
c) Motherboard
d) Transistors
ix.These computers will allow users to give commands in any natural language such as
English .
a) 1st Generation
b) 2nd Generation
c) 5th Generation
d) 4th Generation
x. Branch of computer science concerned with making computer behave like humans
a) Cloud computing
b) High Performance
Computing
c) Artificial Intelligence
d) None of them
C. Typesof computers:
i. These computers represent and process data by measuring quantities.
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
ii. These computers can store large amount of information at high speed
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
iii. Mostly these devices are used in engineering and scientific application
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
iv. Everything in this computer represents in binary 1 and 0
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
v. A hybrid computer used in hospitals to monitor patient ‘s important data such as blood
pressure ,temperature and heart beat .
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
vi. This computer consists of electrical devices such as resistors ,capacitors and
transistors
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
vii. They are general purpose computers used in various fields
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
viii. They are special purpose devices design to perform single specific task.
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
ix. Hybrid computer is a combination of
a) Super computers
b) Mainframe computers
c) Analog and digital computers
d) All of them
x. These computers are used in spaceship, missiles system, scientific research,
hospitals and controlling industrial processes.
a) Analog computer
b) Digital Computer
c) Hybrid Computer
d) None of them
D. Classification of digital computers:
I. These computers are used in large organizations; they are very powerful expensive
computer that can support hundreds and even thousands of users at same time.
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
II. These computers can execute more than trillions instructions per second(TIPS).
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
III. Mainframe computers were developed in:
a) Early 1940’s
b) Early 1950’s
c) Later 1970’s
d) Later 1960’s
IV. Minicomputers were developed in:
a) 1940’s
b) 1950’s
c) 1970’s
d) 1960’s
V. These computers can execute more than billions instructions per second(IPS)
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
VI. These computers are playing an important role in business organizations for their data
processing requirement.
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
VII. Micro computers were developed in:
a) 1940’s
b) 1950’s
c) 1970’s
d) 1960’s
VIII. These computers can execute more than Millions instructions per second(MIPS)
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
IX. A single chip can controls the operations of the entire computer system.
a) Microcomputer
b) Supercomputer
c) Mainframe computer
d) Minicomputer
X. Computers that are classified on the basis of their size, speed, storage capacity and
the number of users they can support.
a) Microcomputer
b) Supercomputer
c) Digital computer
d) Minicomputer
E. ROLEOF COMPUTERS/USEOF COMPUTER IN VARIOUS FIELDS
1. Highly skilled person in the field of IT whose responsibility is analyze, design,
implementation and maintenance of computer software.
a) Computer teacher
b) System analyst
c) Hardware engineer
d) Software engineer
2. IT professionals having extensive knowledge and expertise in programming language.
a) Programmer
b) System analyst
c) Hardware engineer
d) Software engineer
3. This person analyze data processing requirement of an organizations and develop
information system to implement them.
a) Computer teacher
b) System analyst
c) Hardware engineer
d) Software engineer
4. Their work involves repairing and maintenance of computer hardware
a) Programmer
b) System analyst
c) Hardware engineer
d) Software engineer
5. He /she conducts a lesson on how to operate computers and the working principles
and concepts of computer hardware.
a) Computer teacher
b) System analyst
c) Hardware engineer
d) Software engineer
6. His job is to protect computer from unauthorized access.
a) Programmer
b) System analyst
c) Hardware engineer
d) Network administrator
7. They have in-depth knowledge of internal working of computers.
a) Programmer
b) System analyst
c) Hardware engineer
d) Network administrator
8. He design webpages that includes video, text, audio and make websites interactive.
a) Programmer
b) System analyst
c) Web Designer
d) Software engineer
9. They have skills to edit and manipulate audio and video files.
a) Programmer
b) System analyst
c) Web Designer
d) Multimedia Designer
10. He is responsible for installation, configuration and maintenance of computer
network.
a) Programmer
b) System analyst
c) Hardware engineer
d) Network administrator
F. INPUT DEVICES /STORAGE DEVICES
a. All the devices used to feed data into computer is
i. Input device
ii. Storage device
iii. Output device
iv. None of them
b. It changes audio signals into electrical signals.
i. Monitor
ii. CPU
iii. Keyboard
iv. Microphone
c. A device that captures images from magazine photographs and books etc.
i. Touchscreen
ii. Digital camera
iii. Barcode reader
iv. Scanner
d. Main part of computer consists of motherboard, power supply and drives.
i. CPU
ii. Monitor
iii. Microprocessor
iv. Both i and iii
e. It consist microprocessor, buses, expansion cards and expansion slots.
i. Memory unit
ii. CPU
iii. Monitor
iv. Microprocessor
f. Part of computer that perform all calculations and comparisons.
i. ALU
ii. Registers
iii. Microprocessor
iv. CU
g. Small memory units inside microprocessor.
i. ALU
ii. Registers
iii. CU
iv. Microprocessor
h. It controls the operation of all the components of computer.
i. ALU
ii. CU
iii. Registers
iv. Microprocessor
i. Small storage device having capacity of few gigabytes.
i. CD/DVD
ii. Memory card
iii. Hard disk
iv. Us flash drive
j. It is a portable optical storage device with the capacity of 700 megabytes.
i. CD/DVD
ii. Memory card
iii. Hard disk
iv. USB flash drive
OUTPUT DEVICES
i. Monitors are more similar to old television sets, having big size and low display quality ..
a. CRT
b. LCD
c. both of them
d. None of them
ii. Printer having electro-mechanical mechanism which causes character shape to strike
against the paper and leave an image on the paper.
a. Impact printer
b. Non-impact printer
c. Laser printer
d. Dot matrix printer
iii. Printer stores ink in a cartridge and sprays on paper through fine nozzle
on the print-head .
a. Impact printer
b. Non-impact printer
c. Laser printer
d. Dot matrix printer
iv. Device used for printing engineering drawings, machine parts, building design, maps,
charts and panaflexes.
a. Plotter
b. Printer
c. Scanner
d. None of them
v. Device commonly use with multimedia software and for playing music and video on
computer.
a. Plotter
b. Scanner
c. Printer
d. Speaker
vi. These printers are used in all sectors, such as homes and simple businesses.
a. Impact printer
b. Non-impact printer
c. Laser printer
d. Dot matrix printer
vii. These printers are still in use for printing invoices, bank statements, and utility bills.
a.Impact printer
b.Non-impact printer
c.Laser printer
d.Dot matrix printer
viii. They are attached to the sound card on motherboard
a. Plotter
b. Scanner
c. Printer
d. Speaker
ix. It is a slow output device but its printing quality is good.
a. LCD
b. Plotter
c. Printer
d. Speaker
x. It uses less power and better display quality
a. Plotter
b. Scanner
c. Printer
d. Speaker
MEMORY
i. It stores data and programs that are being executed by the computer.
a) Memory
b) CPU
c) I/O Devices
d) None of them
ii. It is a single chip installed on motherboard.
a) ROM
b) RAM
c) CACHE
d) Both I and iii
iii. These programs are permanently stored in ROM when it is manufactured.
a) Memory
b) BIOS
c) C program
d) All of them
iv. IT is a high speed memory installed on motherboard.
a) ROM
b) RAM
c) CACHE
d) CPU
v. Small amount of extremely fast memory inside microprocessor or motherboard
a) ROM
b) RAM
c) CACHE
d) Both i and iii
vi. It improves processing speed of a computer.
a) ROM
b) RAM
c) CACHE
d) CPU
vii. It stores BIOS that control input/output devices and the start-up or boot process.
a) ROM
b) RAM
c) CACHE
d) CPU
viii. Programs are stored from secondary storage devices such as hard disk or USB.
a) ROM
b) RAM
c) MEMORY UNIT
d) CPU
ix. It stores information most frequently used by computer.
a) ROM
b) RAM
c) MEMORY UNIT
d) CACHE
x. It is a non-volatile memory; the programs are not lost when the computer is turned off.
a) ROM
b) RAM
c) CACHE
d) Both i and iii
BASIC OPERATIONS OF COMPUTER:
i. User enters data and instructions into the computer through keyboard and mouse.
a) Output Operation
b) Storage Operation
c) Input Operation
d) Processing Operation
ii. The data /instructions are stored in memory for further processing.
a) Input Operation
b) Output Operation
c) Processing Operation
d) Storage Operation
iii. The control unit decodes the instruction to find out which operation to be performed in.
a) Input Operation
b) Output Operation
c) Processing Operation
d) Storage Operation
iv. The microprocessor fetches the data/instructions from memory and store it in instruction
register.
a) Output Operation
b) Storage Operation
c) Input Operation
d) Processing Operation
v. The result produced after processing.
a) Output Operation
b) Storage Operation
c) Input Operation
d) Processing Operation
vi. The result produce after processing is stored in a hard disk in
a) Output Operation
b) Storage Operation
c) Input Operation
d) Processing Operation
vii. The control unit displays the result on the monitor or prints it on printer in.
a) Input Operation
b) Output Operation
c) Processing Operation
d) Storage Operation
viii. The result can be saved in a storage device such as hard disk for use in future.
a) Input Operation
b) Output Operation
c) Processing Operation
d) Storage Operation
PORTS EXPANSION SLOTSAND EXPANSION CARDS
i. Interface to connectvarious devices to the system unit.
a) Ports
b) Expansion cards
c)Expansion slots
d)None of them
ii. Long narrow sockets on motherboard.
a)Ports
b)Expansion cards
c) Expansion slots
d) USB Flash drive
iii. These cards add new capabilities to the computer.
a) Ports
b) Expansion cards
c)Expansion slots
d)None of them
iv. They are built in motherboard in moderndigital computers.
a) Ports
b) Expansion cards
c)Expansion slots
d)USB Flash drive
v. They are located on motherboard and usually at the back of the
system unit.
a)Expansion slots
b)None of them
c)Ports
d)Expansion cards
COMPUTERSOFTWARE
i. Set of instructions that tells a computer what to do and how to do.
a. Computer program
b. Software
c.Operating system
d. Device Drivers
ii. A collection of programs which makes the use of computer easy and efficient
a. System Software
b. Application Software
c. Utility Program
d. Operating system
iii. System software that is responsible for the management and coordination of all the
activities .
a. Application Software
b. System Software
c. Utility Program
d. Operating system
iv. System software that controls the operation of a computer device .
a. Computer program
b. Software
c. Operating system
d. Device Drivers
v. They perform specific tasks that are related to the management of the computer
a. Operating system
b. Device drivers
c. Utility program
d. Language processors
vi. These programs are used to transfer computer programs into machine language.
a. Operating system
b. Device drivers
c. Utility program
d. Language processors
vii. Develop for computer users to solve their problems such as preparing a letter ,
creating a presentation or managing a database.
a. application software
b. system software
c. productivity software
d. none of them
viii. These software packages are used by individuals to speed up their daily routine tasks by
doing their work in an organized and efficient way.
a. application software
b. system software
c. productivity software
d. none of them
ix. They are distributed free of cost and it is full version of software for an unlimited period of
time.
a. Shareware
b. Freeware
c.Open source software
d. none of them
x. Software that is available in the form of source code that allows user to study change and
improve it .
a. Shareware
b. Freeware
c. Open source software
d. none of them

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Multiple choice questions chapter 1

  • 1. Evolution of computer A. Multiple Choice Questions (MCQ’S) i. It has been used in China and some other Asian countries till the end of 20th century. a) Abacus b) Napier Bones c) Slide Rule d) Mark I ii. Biggest achievement was the invention of algorithm a) Abacus b) Napier Bones c) Slide Rule d) Mark I iii. Calculation was performed by rotation of wheels a) Abacus b) Napier Bones c) Pascaline d) Mark I iv. He is known as father of modern digital computers : a) Blaise Pascal b) Howard Aiken c) William Oughtred d) Charles Babbage v. Tabulating Machine Company was named International Business Machine(IBM) was built by : a) Herman Hollerith b) Howard Aiken c) William Oughtred d) Charles Babbage vi. This device is based on the idea of logarithm a) Abacus b) Napier Bones c) Slide Rule d) Mark I vii. The machine could add three numbers having eight digits in one second. a) Abacus b) Napier Bones c) Slide Rule d) Mark I viii. Today’s data center uses them for fast data processing. a) High Performance Computing b) Cloud computing c) Mark I d) None of these ix. The processing of storing and accessing data and programs over the internet instead of computers hard drive. a) Cloud computing b) Mark I c) Both a and b d) None of these
  • 2. x. It has an ability to retrieve ,store and process data a) computer b) Mark I c) Napier Bones d) Slide Rule B. History and Generations of computer i. In this generation speed of computer was very slow and memory was small. a) 1st Generation b) 2nd Generation c) 3rd Generation d) 4th Generation ii. Era of the first generation of computer was from. a) 1940-956 b) 1956-1963 c) 1963-1971 d) 1971-present iii. In 1947, three scientists ,William Shockley, John Bardeen and Walter Brattain in vented a) Vacuum Tubes b) Microprocessor c) Motherboard d) Transistors iv. Era of the second generation of computer was from a) 1940-956 b) 1956-1963 c) 1963-1971 d) 1971-present v. IC chips were developed in : a) 1980s b) Early 1970s c) Early 1960s d) Later 1960s vi. Computer consumed less electricity ,became smaller ,cheaper and more reliable a) 1st Generation b) 2nd Generation c) 3rd Generation d) 4th Generation vii. These computer supports multimedia software that combine, text image sound and videos. a) 1st Generation b) 2nd Generation c) 3rd Generation d) 4th Generation viii. Fourth Generation of computer developed a a) Vacuum Tubes b) Microprocessor c) Motherboard d) Transistors ix.These computers will allow users to give commands in any natural language such as English . a) 1st Generation b) 2nd Generation c) 5th Generation d) 4th Generation x. Branch of computer science concerned with making computer behave like humans a) Cloud computing b) High Performance Computing c) Artificial Intelligence d) None of them
  • 3. C. Typesof computers: i. These computers represent and process data by measuring quantities. a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them ii. These computers can store large amount of information at high speed a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them iii. Mostly these devices are used in engineering and scientific application a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them iv. Everything in this computer represents in binary 1 and 0 a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them v. A hybrid computer used in hospitals to monitor patient ‘s important data such as blood pressure ,temperature and heart beat . a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them vi. This computer consists of electrical devices such as resistors ,capacitors and transistors a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them vii. They are general purpose computers used in various fields a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them viii. They are special purpose devices design to perform single specific task. a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them ix. Hybrid computer is a combination of a) Super computers b) Mainframe computers c) Analog and digital computers d) All of them x. These computers are used in spaceship, missiles system, scientific research, hospitals and controlling industrial processes. a) Analog computer b) Digital Computer c) Hybrid Computer d) None of them
  • 4. D. Classification of digital computers: I. These computers are used in large organizations; they are very powerful expensive computer that can support hundreds and even thousands of users at same time. a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer II. These computers can execute more than trillions instructions per second(TIPS). a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer III. Mainframe computers were developed in: a) Early 1940’s b) Early 1950’s c) Later 1970’s d) Later 1960’s IV. Minicomputers were developed in: a) 1940’s b) 1950’s c) 1970’s d) 1960’s V. These computers can execute more than billions instructions per second(IPS) a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer VI. These computers are playing an important role in business organizations for their data processing requirement. a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer VII. Micro computers were developed in: a) 1940’s b) 1950’s c) 1970’s d) 1960’s VIII. These computers can execute more than Millions instructions per second(MIPS) a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer IX. A single chip can controls the operations of the entire computer system. a) Microcomputer b) Supercomputer c) Mainframe computer d) Minicomputer X. Computers that are classified on the basis of their size, speed, storage capacity and the number of users they can support. a) Microcomputer b) Supercomputer c) Digital computer d) Minicomputer
  • 5. E. ROLEOF COMPUTERS/USEOF COMPUTER IN VARIOUS FIELDS 1. Highly skilled person in the field of IT whose responsibility is analyze, design, implementation and maintenance of computer software. a) Computer teacher b) System analyst c) Hardware engineer d) Software engineer 2. IT professionals having extensive knowledge and expertise in programming language. a) Programmer b) System analyst c) Hardware engineer d) Software engineer 3. This person analyze data processing requirement of an organizations and develop information system to implement them. a) Computer teacher b) System analyst c) Hardware engineer d) Software engineer 4. Their work involves repairing and maintenance of computer hardware a) Programmer b) System analyst c) Hardware engineer d) Software engineer 5. He /she conducts a lesson on how to operate computers and the working principles and concepts of computer hardware. a) Computer teacher b) System analyst c) Hardware engineer d) Software engineer 6. His job is to protect computer from unauthorized access. a) Programmer b) System analyst c) Hardware engineer d) Network administrator 7. They have in-depth knowledge of internal working of computers. a) Programmer b) System analyst c) Hardware engineer d) Network administrator 8. He design webpages that includes video, text, audio and make websites interactive. a) Programmer b) System analyst c) Web Designer d) Software engineer 9. They have skills to edit and manipulate audio and video files. a) Programmer b) System analyst c) Web Designer d) Multimedia Designer 10. He is responsible for installation, configuration and maintenance of computer network. a) Programmer b) System analyst c) Hardware engineer d) Network administrator
  • 6. F. INPUT DEVICES /STORAGE DEVICES a. All the devices used to feed data into computer is i. Input device ii. Storage device iii. Output device iv. None of them b. It changes audio signals into electrical signals. i. Monitor ii. CPU iii. Keyboard iv. Microphone c. A device that captures images from magazine photographs and books etc. i. Touchscreen ii. Digital camera iii. Barcode reader iv. Scanner d. Main part of computer consists of motherboard, power supply and drives. i. CPU ii. Monitor iii. Microprocessor iv. Both i and iii e. It consist microprocessor, buses, expansion cards and expansion slots. i. Memory unit ii. CPU iii. Monitor iv. Microprocessor f. Part of computer that perform all calculations and comparisons. i. ALU ii. Registers iii. Microprocessor iv. CU g. Small memory units inside microprocessor. i. ALU ii. Registers iii. CU iv. Microprocessor h. It controls the operation of all the components of computer. i. ALU ii. CU iii. Registers iv. Microprocessor i. Small storage device having capacity of few gigabytes. i. CD/DVD ii. Memory card iii. Hard disk iv. Us flash drive j. It is a portable optical storage device with the capacity of 700 megabytes. i. CD/DVD ii. Memory card iii. Hard disk iv. USB flash drive
  • 7. OUTPUT DEVICES i. Monitors are more similar to old television sets, having big size and low display quality .. a. CRT b. LCD c. both of them d. None of them ii. Printer having electro-mechanical mechanism which causes character shape to strike against the paper and leave an image on the paper. a. Impact printer b. Non-impact printer c. Laser printer d. Dot matrix printer iii. Printer stores ink in a cartridge and sprays on paper through fine nozzle on the print-head . a. Impact printer b. Non-impact printer c. Laser printer d. Dot matrix printer iv. Device used for printing engineering drawings, machine parts, building design, maps, charts and panaflexes. a. Plotter b. Printer c. Scanner d. None of them v. Device commonly use with multimedia software and for playing music and video on computer. a. Plotter b. Scanner c. Printer d. Speaker vi. These printers are used in all sectors, such as homes and simple businesses. a. Impact printer b. Non-impact printer c. Laser printer d. Dot matrix printer vii. These printers are still in use for printing invoices, bank statements, and utility bills. a.Impact printer b.Non-impact printer c.Laser printer d.Dot matrix printer viii. They are attached to the sound card on motherboard a. Plotter b. Scanner c. Printer d. Speaker ix. It is a slow output device but its printing quality is good. a. LCD b. Plotter c. Printer d. Speaker
  • 8. x. It uses less power and better display quality a. Plotter b. Scanner c. Printer d. Speaker MEMORY i. It stores data and programs that are being executed by the computer. a) Memory b) CPU c) I/O Devices d) None of them ii. It is a single chip installed on motherboard. a) ROM b) RAM c) CACHE d) Both I and iii iii. These programs are permanently stored in ROM when it is manufactured. a) Memory b) BIOS c) C program d) All of them iv. IT is a high speed memory installed on motherboard. a) ROM b) RAM c) CACHE d) CPU v. Small amount of extremely fast memory inside microprocessor or motherboard a) ROM b) RAM c) CACHE d) Both i and iii vi. It improves processing speed of a computer. a) ROM b) RAM c) CACHE d) CPU vii. It stores BIOS that control input/output devices and the start-up or boot process. a) ROM b) RAM c) CACHE d) CPU viii. Programs are stored from secondary storage devices such as hard disk or USB. a) ROM b) RAM c) MEMORY UNIT d) CPU ix. It stores information most frequently used by computer. a) ROM b) RAM c) MEMORY UNIT d) CACHE x. It is a non-volatile memory; the programs are not lost when the computer is turned off. a) ROM b) RAM c) CACHE d) Both i and iii
  • 9. BASIC OPERATIONS OF COMPUTER: i. User enters data and instructions into the computer through keyboard and mouse. a) Output Operation b) Storage Operation c) Input Operation d) Processing Operation ii. The data /instructions are stored in memory for further processing. a) Input Operation b) Output Operation c) Processing Operation d) Storage Operation iii. The control unit decodes the instruction to find out which operation to be performed in. a) Input Operation b) Output Operation c) Processing Operation d) Storage Operation iv. The microprocessor fetches the data/instructions from memory and store it in instruction register. a) Output Operation b) Storage Operation c) Input Operation d) Processing Operation v. The result produced after processing. a) Output Operation b) Storage Operation c) Input Operation d) Processing Operation vi. The result produce after processing is stored in a hard disk in a) Output Operation b) Storage Operation c) Input Operation d) Processing Operation vii. The control unit displays the result on the monitor or prints it on printer in. a) Input Operation b) Output Operation c) Processing Operation d) Storage Operation viii. The result can be saved in a storage device such as hard disk for use in future. a) Input Operation b) Output Operation c) Processing Operation d) Storage Operation
  • 10. PORTS EXPANSION SLOTSAND EXPANSION CARDS i. Interface to connectvarious devices to the system unit. a) Ports b) Expansion cards c)Expansion slots d)None of them ii. Long narrow sockets on motherboard. a)Ports b)Expansion cards c) Expansion slots d) USB Flash drive iii. These cards add new capabilities to the computer. a) Ports b) Expansion cards c)Expansion slots d)None of them iv. They are built in motherboard in moderndigital computers. a) Ports b) Expansion cards c)Expansion slots d)USB Flash drive v. They are located on motherboard and usually at the back of the system unit. a)Expansion slots b)None of them c)Ports d)Expansion cards COMPUTERSOFTWARE i. Set of instructions that tells a computer what to do and how to do. a. Computer program b. Software c.Operating system d. Device Drivers ii. A collection of programs which makes the use of computer easy and efficient a. System Software b. Application Software c. Utility Program d. Operating system iii. System software that is responsible for the management and coordination of all the activities . a. Application Software b. System Software c. Utility Program d. Operating system iv. System software that controls the operation of a computer device . a. Computer program b. Software c. Operating system d. Device Drivers
  • 11. v. They perform specific tasks that are related to the management of the computer a. Operating system b. Device drivers c. Utility program d. Language processors vi. These programs are used to transfer computer programs into machine language. a. Operating system b. Device drivers c. Utility program d. Language processors vii. Develop for computer users to solve their problems such as preparing a letter , creating a presentation or managing a database. a. application software b. system software c. productivity software d. none of them viii. These software packages are used by individuals to speed up their daily routine tasks by doing their work in an organized and efficient way. a. application software b. system software c. productivity software d. none of them ix. They are distributed free of cost and it is full version of software for an unlimited period of time. a. Shareware b. Freeware c.Open source software d. none of them x. Software that is available in the form of source code that allows user to study change and improve it . a. Shareware b. Freeware c. Open source software d. none of them