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iv. The brain of any computer system is(a) monitor(b) memory(c) \mathrm{CPU} (d) control unit
iv. The brain of any computer system is(a) monitor(b) memory(c)  \mathrm{CPU} (d) control unit

iv. The brain of any computer system is(a) monitor(b) memory(c) \mathrm{CPU} (d) control unit

17.7. How light signals are sent through optical fibre?
17.7. How light signals are sent through optical fibre?

17.7. How light signals are sent through optical fibre?

vi. From which of the following we can get information almost about everything.(a) book(b) teacher(c) computer(d) internet
vi. From which of the following we can get information almost about everything.(a) book(b) teacher(c) computer(d) internet

vi. From which of the following we can get information almost about everything.(a) book(b) teacher(c) computer(d) internet

17.4. Differentiate between the primary memory and the secondary memory.
17.4. Differentiate between the primary memory and the secondary memory.

17.4. Differentiate between the primary memory and the secondary memory.

17.8. What is computer? What is the role of computer in everyday life?
17.8. What is computer? What is the role of computer in everyday life?

17.8. What is computer? What is the role of computer in everyday life?

17.2. Which is more reliable floppy disk or a hard disk?
17.2. Which is more reliable floppy disk or a hard disk?

17.2. Which is more reliable floppy disk or a hard disk?