26. The system unit :
(a) coordinates input and output devices
(b) is the container that housed electronic
(c) is a combination of hardware and software
(d) controls and manipulates data
27. The …….. is responsible for performing calculations and contains decision-making mechanisms.
(a) CPU
(b) MU
(c) ALU
(d) CU
28. Following are the names of motherboard except :
(a) system board
(b) main board
(c) planar board
(d) computer board
29. The word data is derived from :
(a) Greek
(b) English
(c) Hindi
(d) Latin
30. Which of the following memory chips is programmed during the manufacturing process ?
(a) RAM
(b) ROM
(c) PROM
(d) EEPROM
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