Q1. Which of the following is known as the brain of a computer?
(A) Monitor
(B) CPU
(C) Keyboard
(D) ROM
Answer: CPU
Explanation:
Q2. Which of the following is used between CPU and RAM to speed up the processing power of a CPU?
(A) Virtual Memory
(B) Cache Memory
(C) DRAM
(D) Flash Memory
Answer: Cache Memory
Explanation:
Q3. CRT stands for?
(A) Character Ray Tube
(B) Cathode Ray Tube
(C) Color Resonant Technique
(D) Color Ray Tube
Answer: Cathode Ray Tube
Explanation:
Q4. Demodulation is the process of
(A) Sending a file from one computer to another
(B) Converting analog signals to digital signals
(C) Converting digital signals to analog signals
(D) None of these
Answer: Converting analog signals to digital signals
Explanation:
Q5. Modulation is the process of
(A) Sending a file from one computer to another
(B) Converting analog signals to digital signals
(C) Converting digital signals to analog signals
(D) None of these
Answer: Converting digital signals to analog signals
Explanation:
Q6. Modem is used for?
(A) Supply DC power
(B) DC to DC conversion
(C) AC to DC conversion
(D) Modulation and demodulation
Answer: Modulation and demodulation
Explanation:
Q7. RAM in its commercial forms is available as:
(A) SIMM
(B) DIMM
(C) Both of these
(D) None of these
Answer: Both of these
Explanation:
Q8.
Memory in a PC is addressed by:
(A) Control Bus
(B) Data bus
(C) Address bus
(D) None of these
Answer: Address bus
Explanation:
Q9. In which type of computer, data are presented as discrete signals?
(A) Analog Computer
(B) Digital Computer
(C) Data Computer
(D) All of these
Answer: Digital Computer
Explanation:
Q10. DVD stands for?
(A) Digital video display
(B) Digital Versatile Disk
(C) Digital video disk
(D) None of these
Answer: Digital Versatile Disk
Explanation:
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