COMPUTER CHAPTER - 1 KNOW YOUR COMPUTER

(1) Computer memory is used to store
(a) colours
(b)Books name
(c)Data or information
(d)Devices
(2) ____________memory is the internal memory of computer system.
(a)Secondary
(b)Primary
(c)Tertiary
(d)none
(3) ___________is the example of primary memory.
(a)RAM
(b)HARD DISK
(c)CD-ROM
(d)DVD
(4) RAM is a ______________memory.
(a) nonvolatile
(b) volatile
(c) human
(d) animal
(5) Smallest storage unit of memory is called __________.
(a) Byte
(b) Megabyte
(c) bits
(d) None
(6) A combination of 4 bits makes a ___________.
(a) Byte
(b) Nibble
(c) Megabyte
(d) Gigabyte
(7) A combination of ________ bits makes a Byte.
(a) Eight
(b) Four
(c) Eleven
(d) Nine
(8)___________ are devices that give data and instructions to the computer.
(a) Output unit
(b) Input unit
(3) Processing Unit
(4) None
(9) __________________ controls all the components by issuing control signals.
(a) Memory unit
(c) Logical unit
(c) Control unit(CU)
(d) RAM
(10) ALU performs all the _____________and logical operations.
(a) arithmetical
(b) radical
(c) symmetrical
(d) none
(11) CD-ROM is the example of _______________ memory
(a) Primary memory
(b) volatile memory
(c) secondary memory
(d) cache memory
(12) Input and Output devices are also called _______________ devices.
(a)peripheral
(b)memory
(c) digital
(d)octal
(13) Speaker is the example of _____________ device
(a) input
(b) output
(c) memory
(d) processing
(14) Scanner is the example of __________ device
(a) output
(b) memory
(c) input
(d) none
(15) A ______________card is a solid state electronic flash memory data storage device used with digital cameras.
(a) pendrive
(b) CD
(c) DVD
(d) memory
(16) To transfer a file from one computer system to another we use _______________
(a) memory card
(b) motherboard
(c) ROM
(d) pendrive
(17) BIT stands for _____________digit.
(a) unary
(b) secondary
(c) binary
(d) none
(18) one kilobyte is equal to ___________Bytes.
(a)100
(b) 2021
(c) 1024
(d) 2000
(19) The storage capacity of CD is _____________MB.
(a) 200
(b) 700
(c) 400
(d) 100
(20)The storage capacity of DVD is _____________GB.
(a) 20
(b) 4.7
(c) 50
(d) 10
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