31. Who is accredited with developing the architecture of the modern computer?
(1) Sir Clive Sinclair
(2) Bill Gates
(3) All of the above
(4) None of these
(5) John Von Neumann
32. Which bus carries information between processors and peripherals?
(1) Autobus
(2) Data bus
(3) Address bus
(4) All of the above
(5) None of these
33. Which bus controls the sequencing of read/write operations?
(1) Control bus
(2) Address bus
(3) Data bus
(4) All of the above
(5) None of these
34. The contents of these chips are lost when the computer is switched off?
(1) RAM chips
(2) ROM chips
(3) DRAM chips
(4) All of the above
(5) None of these
35. What are responsible for storing permanent data and instructions?
(1) RAM chips
(2) All of the above
(3) DRAM chips
(4) ROM chips
(5) None of these
36. Which parts of the computer perform arithmetic calculations?
(1) Registers
(2) ALU
(3) Logic bus
(4) All of the above
(5) None of these
37. What are small high speed memory units used for storing temporary results?
(1) All of the above
(2) Registers
(3) Control unit
(4) CPUs
(5) None of these
38. What maintains the status of the last operation carried out by the ALU?
(1) Instruction pointer .
(2) Status register
(3) Accumulator
(4) All of the above
(5) None of these
39. How many bits of information can each memory cell in a computer chip hold?
(1) 8 bits
(2) 1 bit
(3) Obits
(4) All of the above
(5) None of these
40. What type of computer chips are said to be volatile?
(1) ROM chips
(2) RAM chips
(3) DRAM
(4) All of the above
(5) None of these –