Computer Basic Information A beam of light used to record and retrieve data on optical disks is known as coloured light polarized light laser None of these unpolarized concentric light coloured light polarized light laser None of these unpolarized concentric light ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What was the computer conceived by Babbage? Donald Knuth Analytical Engine Arithmetic Machine None of these All of these Donald Knuth Analytical Engine Arithmetic Machine None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Off-line operation is the operation of devices without the control of CPU Control unit Memory None of these ALU CPU Control unit Memory None of these ALU ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which hole is used to mark the location of the first sector in a soft-sectored disk. Location Address Index None of these Label Location Address Index None of these Label ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is Not a characteristic of a compluter? Speed Versatility Intelligence None of these Automation Speed Versatility Intelligence None of these Automation ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which is a swapping device is used to hold the images of pages in main memory. Optical mark reader Paging drum Plex Card punch None of these Optical mark reader Paging drum Plex Card punch None of these ANSWER DOWNLOAD EXAMIANS APP