Computer General Kownledege
- Who is called as Father of Computers?Charles Babbage
- The first Digital Computer introduced, was named as?Mark-I
- How many generations, computer can be classified? 5
- First Generation Computers contain? Vacuum Tubes
- II Generation Computers are made of? Transistors
- IV Generation Computers contain? LSI
- Vth Generation Computers are based on? Artificial Intelligence
- Computers, combine both measuring and counting, are called? Hybrid
- In world today, most of the computers are? Digital
- In any computer installation, how many elements consist? 3
- Physical structure of computer is called? Hardware
- CPU stands for? Central Processing Unit
- In which type of computer, data are represented as discrete signals? Digital computer
- Which of the following is available in the form of a PC now? Microcomputer
- PARAM is an example of? Super computer
- Who developed the analytical engine? Charles Babbage
- GUI stands for? Graphical User Interface
- The time taken by CPU to retrieve and interpret the instruction to be executed is calledas? Instruction cycle
- Which of the following is responsible for all types of calculations? ALU
- Which of the following is permanent memory? ROM
- The metal or plastic case that holds all the physical parts of the computer is the? System Unit
- CD-ROM stands for? Compact Disk Read Only Memory
- ALU Stand for? Arithmetic Logic Unit
- VGA Stand for? Video Graphics Array
- IBM 1401 is? Second Generation Computer
- MSI stands for? Medium Scale Integrated Circuits
- WAN stands for? Wide Area Network
- MICR stands for? Magnetic Ink Character Reader
- One byte consists of? eight bits
- EEPROM stand for? Electrically Erasable Programmable Read Only Memory
- Which of the following is a way to access secondary memory? Random access memory
- UNIVAC Stand for? Universal Automatic Computer
- The brain of any computer system is? CPU
- To rage capacity of magnetic disk depends on? disk pack in disk surface
- The two kinds of main memory are? ROM and RAM
- A storage area used to store data to a Compensate for the difference in speed at which the different units can handle data is? Buffer
- Computer is free from tiresome and boardroom. We call it? Diligence
- Which type of computers uses the 8-bit code called EBCDIC? Mainframe computers
- The ALU of a computer responds to the commands coming from? Control section
- Chief component of first generation computer was? Vacuum Tubes and Valves
- To produce high quality graphics (hardcopy) in color, you would want to use a/n? Plotter
- One millisecond is? 1000th of a seconds
- The output quality of a printer is measured by? Dot per inch
- Which of the following was a special purpose computer? ABC
- Which of the following storage devices can store maximum amount of data? Hard Disk
- Which computer was considered the first electronic computer until 1973 when court invalidated the patent? ENIAC
- A physical connection between the microprocessor memory and other parts of the microcomputer is known as? Address bus
- High density double sided floppy disks could store of data? 44 MB
- A high quality CAD system uses the following for printing drawing and graphs? Digital plotter
- The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately? 16 digits
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- In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board? Motherboard
- A technique used by codes to convert an analog signal into a digital bit stream is known as? Pulse code modulation
- Regarding a VDU, Which statement is more correct? It is a peripheral device
- A modern electronic computer is a machine that is meant for? Input, storage, manipulation and outputting of data
- When was vacuum tube invented? 1906
- Computer with 80286 Microprocessor is? AT computers
- The digital computer was developed primarily in? USA
- Software in computer? Enhances the capabilities of the hardware machine
- The arranging of data in a logical sequence is called? Sorting
- What is the responsibility of the logical unit in the CPU of a computer? To compare numbers
- Abacus was the first ? mechanical calculator
- If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be? 65,536
- Instructions and memory address are represented by? Binary codes
- The terminal device that functions as a cash register, computer terminal, and OCR reader is the? POS terminal
- A set of flip flops integrated together is called? Register
- Which is used for manufacturing chips? Semiconductors
- The first computer introduced in Nepal was? IBM 1401
- Mnemonic a memory trick is used in which of the following language? Assembly language
- A register organized to allow to move left or right operations is called ?Shift register
- Which was the most popular first generation computer? IBM 650
- A set of information that defines the status of resources allocated to a process is? Process description
- Each set of Napier’s bones consisted of rods? 11
- BCD Stand for? Binary Coded Decimal
- When was the world’s first laptop computer introduced in the market and by whom? Epson, 1981
- From which generation operating systems were developed? Third generation
- The first firm to mass-market a microcomputer as a personal computer was? Radio Shak
- How many address lines are needed to address each machine location in a 2048 x 4 memory chip? 11
- Properly arranged data is called? Information
- John Napier invented Logarithm in? 1614
- An integrated circuit is? Fabricated on a tiny silicon chip
- What Type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? Bus arbitration
- Whereas a computer mouse moves over the table surface, the trackball is? Stationary
- Which of the following is used as a primary storage device? Magnetic drum
- Multi user systems provided cost savings for small business because they use a single processing unit to link several? Dumb terminals
- The word processing task associated with changing the appearance of a document is? Formatting
- When was Pascale invented? 1642
- What is required when more than one person uses a central computer at the same time? Terminal
- The term gigabyte refers to? 1024 megabytes
- in which year was UK’s premier computing event started? 1980
- What is the date when Babbage conceived Analytical engine? 1837
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- What was the expected feature of fifth generation computers when Japan started FGCS? Parallel Processing
- Which of the following memory medium is not used as main memory system? Magnetic tape
- Computer operators? operate the device which input and output data from the computer
- Computers are also called personal computers? Micro Computers
- Which of the following is machine independence program? High level language
- When was the first electro-mechanical computer developed? 1944
- Analog computer works on the supply of? Continuous electrical pulses
- The BIOS is the abbreviation of ?Basic Input Output System
- Most of the first generation computers were? Special purpose computers
- The output quality of a printer is measured by? Dot per sq. inch
- On a PC, how much memory is available to application software? 640 KB
- In a Computer is capable to store single binary bit? Flip flop
- What does DMA stand for? Direct Memory Access
- Operating system, editors, and debuggers comes under? System Software
- What is the name of the display feature that highlights are of the screen which requires operator attention? Reverse video
- Which is the largest computer? Mainframe Computer
- The personal computer industry was started by? IBM
- What is meant by a dedicated computer? Which is assigned one and only one task
- Registers, which are partially visible to users and used to hold conditional, are known as? General purpose register
- Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as? Flags
- An approach that permits the computer to work on several programs instead of one is? Over lapped processing
- Who suggested Stored Program Concept? John Neumann
- The central processing unit (CPU) consists of? Control unit, arithmetic-logic unit and primary storage
- The notable features like keyboards, monitors, GUI were developed in? Third generation
- Who is credited with the idea of using punch cards to control patterns in a waving machine? Jacquard
- What is an interpreter? An interpreter is the representation of the system being designed
- RJ45 UTP cable has Cables? 4 pair
- Which of the following is not a valid size of a Floppy Disk? 5 ½
- The earliest calculating devices are? Abacus
- Word length of a Personal Computer is? 8 bits
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- A directly accessible appointment calendar is feature of a resident package? Memory
- Which unit converts computer data into human readable form? Output unit
- What produces useful information out of data? Processing
- Which of the following device was not invented by Babbage? Pascale
- A digital computer did not score over an analog computer in terms of? Accuracy
- Which number system is usually followed in a typical 32-bit computer? Binary
- A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer? Reliability
- A paper printout of a document is known as? Hardcopy output
- Which part of the computer is used for calculating and comparing? ALU
- ABC Stand for? Special purpose computer
- The computer code for the interchange of information between terminals is? ASCII
- When was the X window system born? 1984
- What is the first stage in software development? System Analysis
- Which of the following is valid statement? Data in itself is useless unless it is processed
- EBCDIC stands for? Extended Binary Coded Decimal Interchange Code
- Personnel who design, program, operates and maintains computer equipment refers to? People ware
- IBM System/360 is? Mainframe Computer
- Which of the following programming language started from second generation? Cobol
- The translator program used in assembly language is called? Assembler
- Which of the following memories allows simultaneous read and Write operations? RAM
- EPROM can be used for? Erasing and reconstructing the contents of ROM
- A 32 bit microprocessor has the word length equal to? 4 byte
- The term GIGO is related to? Accuracy
- Web cam is an? input unit device
- Bit stands for? Binary digits
- Which device can understand difference between data &programs? Microprocessor
- Which of the following is a read only memory storage device? CD-ROM
- Symbolic logic was discovered by? George Boole
- An error in computer data is called? Bug
- The instructions for starting the computer are house on? Read only memory chip
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- 1 nibble equals to? 4 bits
- Perforated paper used as input of output media is known as? paper tapes
- Which American computer company is called Big Blue? IBM
- It was in 2028 BS the was brought in to calculate census data? IBM 1401
- Which unit holds data temporarily? Primary Memory Unit
- The computer size was very large in? First Generation
- A name or number used to identify storage location devices? An address
- Which of the following is not computer language? Medium level language
- Reading data is performed in magnetic disk by? Read/write lead
- The term ‘computer’ is derived from? Latin language
- To locate a data item for storage is? Fetch
- Who used punched cards practically for the first time in the history of computers? Herman Hollerith
- Hard disk is coated in both sides with? Magnetic metallic oxide
- Which of the following term means to reckon? Put are
- Computer professionals working in a computer Centre are? Human ware
- The contents of information are stored in? Memory data register
- Main storage is also called? Memory
- Memory unit is one part of? Central Processing Unit
- By programmable machine we mean? computers
- Which of the following is a secondary memory device? Disk
- The memory which is programmed at the time it is manufactured? PROM
- Which of the following memories must be refreshed many times per second? Dynamic RAM
- In mode, the communication channel is used in both directions at the same time? Full-duplex
- Memory is made up of? Large number of cells
- What is the path from which data flow in a computer system is known as? Bus
- Which technology is more reliable? Electronic
- Raw facts and figures about any particular topic are? data
- A computer can solve more than one kind of problem. This is related to which of the following characteristics? Versatility
- From which generation computers the printers were used? second
- How many symbols exist in Bardot code?32
- An application program that helps the user to change any number and immediately see the result of that change is? Spreadsheet
- What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson? AX3/33
- In analog computer? Input is never converted to digital form
- When as the Company named IBM? 1924
- Which of the following storage device can store the largest amount of data? Hard Disks
- The octal equivalence of 111010 is? 72
- What do you call a single point on a computer screen? Pixel
- Mostly which of the following device is used to carry user files? Floppy Disk
- An output device that uses words or messages recorded on a magnetic medium to produce audio response is? Voice response unit
- Who developed a mechanical device in the 17th century that could add, Subtract, Multiple divide and find square roots? Leibniz
- The first Macintosh computer was from? Fourth generation
- Which of the following is internal memory? RAM
- Floppy disks which are made from flexible plastic material are also called? Diskettes
- The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as? Magnetic bubble memory
- A collection of related instructions organized for a common purpose is referred to as? Program
- Computer instructions written with the use of English words instead of binary machine code is called? Symbolic code
- Which language is directly understood by the computer without translation program? Machine language
- Which of the following processors use RISC technology? Power PC
- Which of the following machine was not invented by Charles Babbage? Tabulating Machine
- How many numbers could ENIAC store in its internal memory? 20
- The subject of cybernetics deals with the science of? Control and communication
- Binary circuit elements have? Two stable state
- The value of each bead in earth is? 1
- Which of the following terms is the most closely related to main memory? Permanent
- Which was the world’s first minicomputer and when was it introduced? PDP-I, 1958
- A group of magnetic tapes, videos or terminals usually under the control of one master is? Surface
- The word length of a computer is measured in? Bits
- Which unit holds data permanently? Secondary storage unit
- Computer system comprises of major units? input unit, output unit, central processing unit and storage unit
- Magnetic tape can serve as? Secondary storage media
- Which company is the biggest player in the microprocessor industry? Intel
- EBCDIC can code up to how many different characters? 256
- Number crunchier is the informal name for? Super computer
- RATS stand for? Regression Analysis Time Series
- Which technology is used in Compact disks? Laser
- The metal disks, which are permanently housed in, sealed and contamination free containers are called? Winchester disk
- Intel Corporation produces chips for which computers? IBM PCs
- The first microprocessor built by the Intel Corporation was called? 8080
- The data recording format in most of the modern magnetic tape is? 8-bit EBCDIC
- Who designed the first electronics Computer ? ENIAC/ C) J. P. Eckert and J. W. Muchly
- Time during which a job is processed by the computer is? Execution time
- Which unit converts user data into machine readable form? Input unit
- Which unit is known as nerve center of computer? ALU
- Access time is? seek time + latency time
- Easily relocatable language is? Assembly language
- Through which device the main components of the computer communicate with each other? System Bus
- What type of device is computer keyboard? Input
- Which is the limitation of high level language? Lower efficiency
- The original ASCII code used bits of each byte, reserving that last bit for error checking? 7
- A computer programmer? Does all the thinking for a computer
- Fifth generation computer is also known as? Knowledge information processing system
- A typical personal computer used for business purposes would have of RAM? 256
- Model 5100 was in 1957? The first PC built by IBM
- Which 8-bit chip was used in many of today’s TRS-80 computers? Z-80
- Which of the following disk is fixed disk? Hard Disks
- The word Abacus is derived from Abaxis a word from? Latin language
- An online backing storage system capable of storing larger quantities of data is? Mass storage
- A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called? Ink-jet printer
- Which of the following is an example of fifth generation computer? PIM/m
- The number of records contained within a block of data on magnetic tape is defined by the? Blocking factor
- Which of the following registers is loaded with the contents of the memory location pointed by the PC? Instruction register
- MIS is designed to provide information needed for effective decision making by? Managers
- Latency time is? Time to spin the needed data under head
- Who built the first Mechanical Calculator? Blaise Pascal
- Which of the following generation computers had expensive operation cost? First
- An IBM system/38 represents the computer class of? Small-scale computer
- Another word for a daisy wheel printer? Golf ball printer
- Which computers are used as servers for any medium sized organizations? Mini Computers
- Slide Rules was invented in? 1620
- A normal CD-ROM usually can store up to data? 680 MB
- The lower deck of an abacus is known as? earth
- All modern Computers operate on? Data
- Offline device is? A device which is not connected to CPU
- What is the latest write-once optical storage media? CD-ROM disk
- Which one of the following input device is user- programmable? VDT
- Floppy disks typically in diameter? 3
- Current SIMMs have either or connectors (pins)? 30 or 72
- Dot-matrix is a type of? Printer
- Programs are executed on the basis of a priority number in? Multiprogramming
- When was Apple Macintosh II microcomputer introduced in the market? 1983
- When was the world’s first laptop computer introduced in the market and by whom? Epson, 1981
- Today’s computer giant IBM was earlier known by different name which was changed in 1924. What was that name? The Tabulator Ltd.
- Who built the world’s first electronic calculator using telephone relays, light bulbs and batteries? George Stibitz
- In which language is source program written? High level
- A song being played on computer speaker is? soft output
- What is the number of read-write heads in the drive for a 9-trac magnetic tape? 9
- Charles Babbage was awarded by Royal Society for his? Difference Engine
- A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as? Super computer
- Which of the following will happen when data is entered into a memory location? It will erase the previous content
- Which device is used as the standard pointing device in a Graphical User Environment? Mouse
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- Pick the one that is used for logical operations or comparisons such as less than equal to or greater than? Arithmetic and Logic Unit
- Which of the following is used only for data entry and storage, and never for processing? Dumb terminal
- Basic is language? a procedural
- Which of the following have the fastest access time? Semiconductor Memories
- How many types of storage loops exists in magnetic bubble memory? 2
- Daisy wheel printer is a type of? Impact printer
- A number system that has eight different symbols to represent any quantity is known as? Octal
- The two basic types of record access methods are? Sequential and random
- One of a class of storage device devices that can access storage locations in any order is? DASD
- In what respect human beings are superior to computers? Intelligence
- As compared to the secondary memory, the primary memory of a computer is? Fast
- The language that the computer can understand and execute is called? Machine language
- How was the generation of computer classified? by the device used in memory & processor
- CAD stands for? Computer aided design
- Which of the following memories has the shortest access times? Cache memory
- .A small or intelligent device is so called because it contains within it a? Sensor
- Who invented Analytical engine? Charles Babbage
- CPU speed of a personal computer is? 100 KIPS
- Circular division of disks to store and retrieve data is known as? tracks
- The least significant bit of the binary number, which is equivalent to any odd decimal number, is? 0
- The latest PC keyboards use a circuit that senses the movement by the change in its capacitance? Capacitance keyboard
- The Stepped Reckoner was invented by? Gottfried Leibnitz
- While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face? Up
- Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes? Diskless computers
- What is a light pen? Optical input device
- When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits? ANSI
- In order to play and hear sound on a computer, one needs? a sound card and speakers
- For which of the following computers can’t be used? gathering data
- Who invented punched cards? Joseph Jacquard
- Which device is required for the Internet connection? Modem