[{"id":111563,"question":"A bus line consists of.","choices":[{"text":"registers","value":"A"},{"text":"accumulators","value":"B"},{"text":"parallel data paths","value":"C"},{"text":"machine cycles","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111562,"question":"Memory is divided into many numerically addressed.","choices":[{"text":"logic","value":"A"},{"text":"locations","value":"B"},{"text":"codes","value":"C"},{"text":"cells","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111560,"question":"Information travels between components of a computer through groups of wires called.","choices":[{"text":"cards","value":"A"},{"text":"busses","value":"B"},{"text":"slots","value":"C"},{"text":"ports","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111559,"question":"The clock speed of a computer is measured in.","choices":[{"text":"megahertz","value":"A"},{"text":"kilobytes","value":"B"},{"text":"megabytes","value":"C"},{"text":"binary digits","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111557,"question":"The number of bytes in the following number (1111, 1011, 0111,0100,1010) is.","choices":[{"text":"5","value":"A"},{"text":"2 1/2","value":"B"},{"text":"10","value":"C"},{"text":"1 2/4","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111555,"question":"Memory capacity may be expressed in.","choices":[{"text":"microseconds","value":"A"},{"text":"kilobytes","value":"B"},{"text":"bits","value":"C"},{"text":"cycles","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111553,"question":"Another name for a logic chip is.","choices":[{"text":"PROM","value":"A"},{"text":"memory","value":"B"},{"text":"microprocessor","value":"C"},{"text":"ROM","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111544,"question":"Computer operations are synchronized by.","choices":[{"text":"the CPU clock","value":"A"},{"text":"megabytes","value":"B"},{"text":"the binary system","value":"C"},{"text":"E-time","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111542,"question":"The unit that transforms data into information is the.","choices":[{"text":"CPU","value":"A"},{"text":"ROM","value":"B"},{"text":"DVD","value":"C"},{"text":"OCR","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111541,"question":"The heart of a digital computer is.","choices":[{"text":"control unit","value":"A"},{"text":"memory unit","value":"B"},{"text":"logic unit","value":"C"},{"text":"visual display unit","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111538,"question":"During E-time the ALU.","choices":[{"text":"examines the instruction","value":"A"},{"text":"enters the instruction","value":"B"},{"text":"executes the instruction","value":"C"},{"text":"elicits the instruction","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111537,"question":"The entire computer system is coordinated by.","choices":[{"text":"the ALU","value":"A"},{"text":"the accumulator","value":"B"},{"text":"the control unit","value":"C"},{"text":"arithmetic operators","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111536,"question":"The central processing Unit (CPU) comprises of.","choices":[{"text":"memory, VDU , and printer","value":"A"},{"text":"input device , output device and memory","value":"B"},{"text":"store , arithmetic and logic unit and control unit","value":"C"},{"text":"software, hardware and power supply unit","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111535,"question":"A CPU has.","choices":[{"text":"control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator","value":"A"},{"text":"bubble memory","value":"B"},{"text":"visual display unit","value":"C"},{"text":"auxiliary storage unit","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111411,"question":"A search engine is","choices":[{"text":"A software to search for engines","value":"A"},{"text":"A device search for motor engine","value":"B"},{"text":"A website that sells products and services","value":"C"},{"text":"A website that look through databases for matching criteria","value":"D"},{"value":"E"}],"correctAnswer":4}]