A) A petaflop represents how many instructions per second ? [1 mark]
1015
B) Give any four applications of supercomputers [2 marks]
i. Weather forecasting
ii. Nuclear tests simulations
iii. Molecular dynamics simulations
iv. Brute force code breaking
v. Molecular modelling
C) The first generation of computers mainly used which technology?[1 mark]
Vacuum Tubes
D) The ENIAC used what type of input? [1 mark]
It used a card reader for input
E) What was the main difference between the ENIAC and the EDVAC computers [1 mark] The EDVAC supported the stored program concept
F) What was the size of one Word in the EDVAC? [1 mark]
44 bits
G) In the IAS computer, a register contains data that is to be sent to either an I/O unit or memory. Which register is this likely to be? [1 mark]
Memory buffer register (MBR)
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