Computer Basic Information What is the most common tool used to restrict access to a computer system? Passwords User log in Computer keys Access-control software Passwords User log in Computer keys Access-control software ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In which year was UK's premier computing event called "The Which Computer" started? 1987 1986 1980 None of these 1985 1987 1986 1980 None of these 1985 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Disketts and hard disks are Slower than magnetic tape Used only in mainframe computers Sequential access devices None of these Direct access devices Slower than magnetic tape Used only in mainframe computers Sequential access devices None of these Direct access devices ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The first practical commercial typewriter was invented in 1867 in the United States by All of these Carlos Glidden None of these Samuel Soule Christopher Latham Sholes All of these Carlos Glidden None of these Samuel Soule Christopher Latham Sholes ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called? Interactive processing None of these Batch processing Group processing Sequential processing Interactive processing None of these Batch processing Group processing Sequential processing ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is Channel None of these Signalling Modulation Demodulation Channel None of these Signalling Modulation Demodulation ANSWER DOWNLOAD EXAMIANS APP