Jamia Millia Islamia MCA Organization Of A Computer Previous Year Questions (PYQs)
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The ALU of a computer normally contains a number of high-speed storage elements called
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Solution
Registers are small, fast storage inside the CPU used by ALU.
The three main components of a digital computer system are:
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Solution
The fundamental units are CPU, Memory, and Input/Output.
Which of the following is mainframe computer?
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Solution
IBM System/360 is a classic mainframe line.
The instructions for starting the computer are housed in ____.
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Solution
Boot/firmware (BIOS/UEFI) is stored in non-volatile ROM.
Which of the following refers to the foremost operation initiated while starting a computer system?
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Solution
When a computer is switched on, the first operation is booting —
the process of loading the operating system into main memory.
Which type of the following languages is directly understood by the computer without a translation program?
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Solution
Machine language consists of binary instructions and is directly executed by the CPU without the need for translation.
Match List–I and List–II and select the correct group of matching.
List–I
P. RAM
Q. CPU Speed
R. Monitor
S. CD–ROM Speed
List–II
1. Hertz
2. MB
3. Bytes/Sec
4. Inch
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Solution
RAM → MB
CPU Speed → Hertz
Monitor → Inch
CD–ROM Speed → Bytes/Sec
Hence the correct match is $(P,2), (Q,1), (R,4), (S,3).$
When a computer is switched on, the BIOS is loaded from:
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Solution
BIOS (Basic Input Output System) is stored permanently in ROM.
Which of the following group of statements are correct:
P. Mouse, Keyboard and Plotter are all input devices.
Q. Unix, Windows and Linux are all operating systems.
R. Register, Cache and Hard-disk are all memory modules.
S. Monitor, Printer and Scanner are all output devices.
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Solution
Mouse, Keyboard → Input devices
Unix, Windows, Linux → Operating Systems
Register, Cache → Memory; Hard-disk → Storage
Monitor, Printer → Output; Scanner → Input
Hence, correct statements are $Q$ and $R$.
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