important for css, ppsc, fpsc, paf, army, navy 50+ computer
TRANSCRIPT
COMPUTERMCQ’s in PDF
Important for CSS, PPSC, FPSC, PAF, ARMY, NAVY
50+
Who is called as Father of Computers?
➢ Charles BabbageMathematician, Philosopher,
Inventor and Mechanical Engineer
The First Digital Computer introduced, was named as?
➢ Mark-IDate introduced: 1944
Developer: Howard Aiken / IBM
How many generations, computer can be classified?
➢ 5 Generations1st Generation of Computer = 1946-1959. Vacuum tube based.2nd Generation of Computer = 1959-1965. Transistor based.3rd Generation of Computer = 1965-1971. Integrated Circuit based.4th Generation of Computer = 1971-1980. VLSI microprocessor based.5th Generation of Computer = 1980-onwards. ULSI microprocessor based.
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Computers, combine both measuring and counting, are called?
➢ Hybrid
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In any computer installation, how many elements consist?
➢ 3 Elements• Hardware• Software• Human ware
Physical structure of computer is called?
➢ Hardware
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CPU stands for?
➢ Central Processing Unit
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In which type of computer, data are represented as discrete signals?
➢ Digital computer
Discrete Signals
PARAM is an example of?
➢ SupercomputerPARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing in Pune, India.
GUI stands for?
➢ Graphical User Interface
Which is responsible for all types of calculations?
➢ALU (Arithmetic logic unit)
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CD-ROM stands for?
➢ Compact Disk Read Only Memory
It is a type of read-only memory.
VGA Stand for?
➢ Video Graphics ArrayVideo display controller
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MSI stands for?
➢ Medium Scale IntegrationIntegrated circuit that contains between 30 and 1,000 electronic components on a single chip.
WAN stands for?
➢ Wide Area Network
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MICR stands for?
➢ Magnetic ink character recognition
One byte consists of?
➢Eight bitsA byte consists of 8 adjacent binary digits (bits), each of which consists of a 0 or 1.
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UNIVAC Stand for?
➢ Universal Automatic Computer
It was designed principally by J. Presper Eckert and John Mauchly.
Commercial data-processing computer
The brain of any computer system is?
➢ Central Processing Unit (CPU)
It was designed principally by J. Presper Eckert and John Mauchly.
Commercial data-processing computer
Which type of computers uses the 8-bit code called EBCDIC?
➢ Mainframe Computers
To produce high quality graphics (hardcopy) in color, you would want to use?
➢Plotter
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The output quality of a printer is measured by?
➢ Dot Per Inch
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
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High density double sided floppy disks could store of data?
➢ 44 MB
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When was vacuum tube invented?
➢ 1906Developed from Lee De Forest's 1906 Audion
The Arranging of data in a logical sequence is called?
➢ SortingDeveloped from Lee De Forest's 1906 Audion
Instructions and Memory Address are represented by?
➢ Binary codes
A set of flip flops integrated together is called?
➢Register
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Which is used for manufacturing chips?
➢ Semiconductors (Silicon)
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The first computer introduced in Nepal was?
➢ IBM 1401
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
BCD Stand for?
➢Binary Coded Decimal
When was the world’s first laptop computer introduced in the market and by whom?
➢ Epson, 1981
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From which generation operating systems were developed?
➢ Third generation
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The term Gigabyte refers to?
➢ 1024 Megabytes
The BIOS is the abbreviation of ?
➢ Basic Input Output System
What does DMA stand for?
➢ Direct Memory Access
Who suggested Stored Program Concept?
➢ John NeumannThe idea was introduced in the late 1940s.
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The central processing unit (CPU) consists of?
➢ Control unit
➢ Arithmetic-logic unit
➢ Primary storage (RAM, ROM)
The notable features like keyboards, monitors, GUI were developed in?
➢ Third generation
When was the X window system born?
➢ 1984
EBCDIC stands for?
➢ Extended Binary Coded Decimal Interchange Code
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IBM System/360 is?
➢ Mainframe Computer
EPROM can be used for?
➢ Erasing and Reconstructing the contents of ROM
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1 Nibble equals to?
➢ 4 bits
The term ‘computer’ is derived from?
➢ Latin languageWhich means to “to calculate”.
In mode, the communication channel is used in both directions at the same time?
➢ Full-duplex
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CAD stands for?
➢ Computer Aided Design
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