Social Studies, 22.07.2021 23:00 Baby010391

17. The two components of the personal computer main memory ore 1. RAM and CU B. RAM and ROM C. ROM and CU
18. The creation of a copy of data on a computer system for safe keeping
externally is referred to as
D. ALU and CU
4. data backup B. Data entry C. Data filtering D. Data restoration
19. The letter that normally represents the floppy disk in an operating
system is?
4. A
B. C
C. D
D. E
20. Which of the following is not a secondary storage device onto which
data can be
permanently stored?
A. Zip disk B. Hard disk C. Memory
21. Which of the following is NOT a type of CD?
A. CD-W
B. CD-RW
C. CD-R
D. Flash memory
D. CD-ROM

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17. The two components of the personal computer main memory ore 1. RAM and CU B. RAM and ROM C. ROM...