Introduction to Computer Science — 2024 Past Questions
Lagos State University CSC111: 226 questions.
Topics: Basic Components of Computer, Basic Computing Concepts, The Internet: Its Application and Impact on the World Today, Diverse And Growing Computers and Digital Applications, The Job Specializations for Computing Science Professionals, Boolean Algebra, Fundamentals of Truth tables and Precedence
- The term "Computer" is derived from the ............ language.
- Latin
- German
- French
- Arabic
- Who is the inventor of the "Difference Engine"?
- Alan Turing
- Charles Babbage
- Seymour Cray
- Augusta Ada Lovelace
- Who is the father of the computer?
- Alan Turing
- Charles Babbage
- Seymour Cray
- Augusta Ada Lovelace
- Who is the father of computer science?
- Alan Turing
- Charles Babbage
- Seymour Cray
- Augusta Ada Lovelace
- Who is the father of the personal computer?
- Edward Roberts
- Alan Turing
- Charles Babbage
- None of these
- A CPU contains
- a card reader and a printing device
- an analytical engine and a control unit
- a control unit and an arithmetic logic unit
- an arithmetic logic unit and a card reader
- Which of the following controls the process of interaction between the user and the operating system?
- User interface
- Language translator
- Platform
- Screen saver
- The first computers were programmed using
- assembly language
- machine language
- source code
- object code
- A ............ is a combination of hardware and software that facilitates the sharing of information between computing devices.
- network
- peripheral
- expansion board
- digital device
- Coded entries which are used to gain access to a computer system are called
- Entry codes
- Passwords
- Security commands
- Code words
- Which of the following statements is true?
- Minicomputers work faster than microcomputers
- Microcomputers work faster than minicomputers
- The speed of both computers is the same
- The speeds of both computers cannot be compared with the speed of advanced computers
- You organize files by storing them in
- archives
- folders
- indexes
- lists
- Which type of resource is most likely to be a shared common resource in a computer network?
- Printers
- Speakers
- Floppy disk drives
- Keyboards
- Which device is required for an Internet connection?
- Joystick
- Modem
- CD drive
- Scanner
- What is a light pen?
- A mechanical input device
- An optical input device
- An electronic input device
- An optical output device
- UNIVAC is
- Universal Automatic Computer
- Universal Array Computer
- Unique Automatic Computer
- Unvalued Automatic Computer
- CD-ROM stands for
- Compactable Read Only Memory
- Compact Data Read Only Memory
- Compactable Disk Read Only Memory
- Compact Disk Read Only Memory
- ALU is
- Arithmetic Logic Unit
- Array Logic Unit
- Application Logic Unit
- None of above
- VGA is
- Video Graphics Array
- Visual Graphics Array
- Volatile Graphics Array
- Video Graphics Adapter
- IBM 1401 is a
- First generation computer
- Second generation computer
- Third generation computer
- Fourth generation computer
- MSI stands for
- Medium Scale Integrated Circuits
- Medium System Integrated Circuits
- Medium Scale Intelligent Circuit
- Medium System Intelligent Circuit
- The capacity of a 3.5 inch floppy disk is
- 1.40 MB
- 1.44 GB
- 1.40 GB
- 1.44 MB
- WAN stands for
- Wap Area Network
- Wide Area Network
- Wide Array Net
- Wireless Area Network
- MICR stands for
- Magnetic Ink Character Reader (Recognition)
- Magnetic Ink Code Reader
- Magnetic Ink Cases Reader
- None
- EBCDIC stands for
- Extended Binary Coded Decimal Interchange Code
- Extended Bit Code Decimal Interchange Code
- Extended Bit Case Decimal Interchange Code
- Extended Binary Case Decimal Interchange Code
- Which of the following is a part of the Central Processing Unit?
- Printer
- Keyboard
- Mouse
- Arithmetic & Logic Unit
- CAD stands for
- Computer aided design
- Computer algorithm for design
- Computer application in design
- Computer analogue design
- Junk e-mail is also called
- spam
- spoof
- sniffer script
- spool
- Hackers
- all have the same motive
- break into other people's computers
- may legally break into computers as long as they do not do any damage
- are people who are allergic to computers
- What type of computers are client computers (most of the time) in a client-server system?
- Mainframe
- Minicomputer
- Microcomputer
- PDA
- A computer cannot "boot" if it does not have the
- Compiler
- Loader
- Operating System
- Assembler
- The amount of vertical space between lines of text in a document is called
- double-space
- line spacing
- single space
- vertical spacing
- An example of non-numeric data is
- Employee address
- Examination score
- Bank balance
- All of these
- What is an embedded system?
- A program which arrives wrapped in a box
- A program which is a permanent part of the computer
- A computer which is part of a big computer
- A computer and software system that controls a machine
- The first page of a website is termed as the
- Homepage
- Index
- JavaScript
- Bookmark
- ............ is the appearance of typed characters.
- Size
- Format
- Point
- Colour
- When a file is saved for the first time
- a copy is automatically printed
- it must be given a name to identify it
- it does not need a name
- it only needs a name if it is not going to be printed
- Office LANs which are scattered geographically on a large scale can be connected by the use of a corporate
- CAN
- LAN
- DAN
- WAN
- Where are data and programs stored when the processor uses them?
- Main memory
- Secondary memory
- Disk memory
- Program memory
- ............ represents raw facts, whereas ............ is data made meaningful.
- Information, reporting
- Data, information
- Information, bits
- Records, bytes
- What characteristic of read-only memory (ROM) makes it useful?
- ROM information can be easily updated
- Data in ROM is non-volatile, that is, it remains there even without electrical power
- ROM provides very large amounts of inexpensive data storage
- ROM chips are easily swapped between different brands of computers
- What do you call the programs that are used to find out possible faults and their causes?
- Operating system extensions
- Cookies
- Diagnostic software
- Boot diskettes
- Which programming languages are classified as low-level languages?
- BASIC, COBOL, Fortran
- Prolog
- C, C++
- Assembly languages
- Which of the following is not anti-virus software?
- NAV
- F-Prot
- Oracle
- McAfee
- Which device is required for an Internet connection?
- Joystick
- Modem
- CD drive
- Scanner
- What does DMA stand for?
- Distinct Memory Access
- Direct Memory Access
- Direct Module Access
- Direct Memory Allocation
- Which of the following is a storage device?
- Tape
- Hard disk
- Floppy disk
- All of the above
- When did John Napier develop the logarithm?
- 1416
- 1614
- 1641
- 1804
- A normal CD-ROM can usually store up to ............ of data.
- 680 KB
- 680 Bytes
- 680 MB
- 680 GB
- MIS is designed to provide information needed for effective decision making by
- Consumers
- Workers
- Foremen
- Managers
- What is a light pen?
- A mechanical input device
- An optical input device
- An electronic input device
- An optical output device
- BCD is
- Binary Coded Decimal
- Bit Coded Decimal
- Binary Coded Digit
- Bit Coded Digit
- ASCII stands for
- American Stable Code for International Interchange
- American Standard Case for Institutional Interchange
- American Standard Code for Information Interchange
- American Standard Code for Interchange Information
- Which of the following is a first generation computer?
- EDSAC
- IBM-1401
- CDC-1604
- ICL-2900
- The chief component of first generation computers was
- Transistors
- Vacuum tubes and valves
- Integrated circuits
- None of above
- FORTRAN is
- File Translation
- Format Translation
- Formula Translation
- Floppy Translation
- EEPROM stands for
- Electrically Erasable Programmable Read Only Memory
- Easily Erasable Programmable Read Only Memory
- Electronic Erasable Programmable Read Only Memory
- None of the above
- Second generation computers were developed during
- 1949 to 1955
- 1956 to 1965
- 1965 to 1970
- 1970 to 1990
- The computer size was very large in the
- First generation
- Second generation
- Third generation
- Fourth generation
- Microprocessors as switching devices are for which generation of computers?
- First generation
- Second generation
- Third generation
- Fourth generation
- Which of the following devices can be used to directly image printed text?
- OCR
- OMR
- MICR
- All of above
- The output quality of a printer is measured by
- Dots per inch
- Dots per square inch
- Dots printed per unit time
- All of above
- In an analogue computer
- Input is first converted to digital form
- Input is never converted to digital form
- Output is displayed in digital form
- All of above
- In the latest generation computers, the instructions are executed
- Parallel only
- Sequentially only
- Both sequentially and parallel
- All of above
- Who designed the first electronic computer, ENIAC?
- Van Neumann
- Joseph M. Jacquard
- J. Presper Eckert and John W. Mauchly
- All of above
- Who invented the high-level language "C"?
- Dennis M. Ritchie
- Niklaus Wirth
- Seymour Papert
- Donald Knuth
- Personnel who design, program, operate and maintain computer equipment are referred to as
- Console-operator
- Programmer
- Peopleware
- System analyst
- When did arch rivals IBM and Apple Computers Inc. decide to join hands?
- 1978
- 1984
- 1990
- 1991
- Human beings are referred to as Homo sapiens. Which device is called Silicon Sapiens?
- Monitor
- Hardware
- Robot
- Computer
- An error in software or hardware is called a bug. What is the alternative computer jargon for it?
- Leech
- Squid
- Slug
- Glitch
- Modern computers are very reliable but they are not
- Fast
- Powerful
- Infallible
- Cheap
- What is the name of the display feature that highlights an area of the screen which requires operator attention?
- Pixel
- Reverse video
- Touch screen
- Cursor
- Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
- Daughter board
- Motherboard
- Father board
- Breadboard
- In most IBM PCs, the CPU, device drives, memory expansion slots and active components are mounted on a single board. What is this board called?
- Motherboard
- Breadboard
- Daughter board
- Grandmother board
- What is meant by a dedicated computer?
- One used by one person only
- One assigned one and only one task
- One that uses one kind of software
- One meant for application software
- The system unit of a personal computer typically contains all of the following except
- Microprocessor
- Disk controller
- Serial interface
- Modem
- A computer program that converts an entire program into machine language is called a/an
- Interpreter
- Simulator
- Compiler
- Commander
- A computer program that translates one program instruction at a time into machine language is called a/an
- Interpreter
- CPU
- Compiler
- Simulator
- A small or intelligent device is so called because it contains within it a
- Computer
- Microcomputer
- Programmable
- Sensor
- A fault in a computer program which prevents it from working correctly is known as a
- Boot
- Bug
- Biff
- Strap
- A self-replicating program, similar to a virus, taken from a 1970s science fiction novel by John Brunner called The Shockwave Rider, is a
- Bug
- Vice
- Lice
- Worm
- A ............ is a bi-stable electronic circuit that has two stable states.
- Oscillator
- Flip-flop
- Logic gate
- Counter
- Unwanted repetitious messages, such as unsolicited bulk e-mail, are known as
- Spam
- Trash
- Calibri
- Courier
- DOS stands for
- Disk Operating System
- Disk operating session
- Digital Operating System
- Digital Open system
- Who is a co-founder of Microsoft?
- Babbage
- Bill Gates
- Bill Clinton
- None of these
- Which of the following are input devices?
- Keyboard
- Mouse
- Card reader
- Any of these
- Examples of output devices are
- Screen
- Printer
- Speaker
- All of these
- Which of the following is also known as the brain of the computer?
- Control unit
- Central Processing Unit
- Arithmetic and logic unit
- Monitor
- IBM stands for
- Internal Business Management
- International Business Management
- International Business Machines
- Internal Business Machines
- ............ translates and executes a program at run time line by line.
- Compiler
- Interpreter
- Linker
- Loader
- ............ is an OOP principle.
- Structured programming
- Procedural programming
- Inheritance
- Linking
- COBOL is widely used in ............ applications.
- Commercial
- Scientific
- Space
- Mathematical
- RAM stands for
- Random origin money
- Random only memory
- Read only memory
- Random access memory
- 1 byte = ?
- 8 bits
- 4 bits
- 2 bits
- 9 bits
- SMPS stands for
- Switched Mode Power Supply
- Start mode power supply
- Store mode power supply
- Single mode power supply
- The device used to carry digital data on analogue lines is called a
- Modem
- Multiplexer
- Modulator
- Demodulator
- VDU is also called
- Screen
- Monitor
- Both A and B
- Printer
- BIOS stands for
- Basic Input Output System
- Binary Input Output System
- Basic Input Off System
- All the above
- Father of the "C" programming language
- Dennis Ritchie
- Prof John Keneth
- Thomas Kurtz
- Bill Gates
- The instructions that tell a computer how to carry out processing tasks are referred to as computer ............
- programs
- processors
- input devices
- memory modules
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