SSC CGL Computer – Memory, Storage, Backup Devices & Ports – Level 1 · Warm-up
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Answer: Both I and II. Both are standard facts.
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SSC CGL Computer – Memory, Storage, Backup Devices & Ports – Level 1 · Warm-up – 11 questions, subject: Computer Knowledge. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
A group of 8 bits is called a:
Correct Answer: C [Byte]
Explanation:
8 bits = 1 byte; 4 bits = a nibble.
2.
1 kilobyte (KB) in computer memory equals:
Correct Answer: A [1,024 bytes]
Explanation:
Binary step: 2¹⁰ = 1,024 bytes.
3.
Which of these keeps its contents when the power is switched off?
Correct Answer: B [Flash memory]
Explanation:
Flash is non-volatile; RAM, cache and registers lose their contents without power.
4.
Which memory chip can be erased electrically, one byte at a time?
Correct Answer: D [EEPROM]
Explanation:
EEPROM = electrically erasable, byte by byte; EPROM needs UV light; PROM and mask ROM cannot be erased.
5.
Which is the fastest memory in a computer?
Correct Answer: D [CPU registers]
Explanation:
Registers are at the top of the hierarchy.
6.
The single-layer capacity of a standard DVD is:
Correct Answer: C [4.7 GB]
Explanation:
CD 700 MB · DVD 4.7 GB · Blu-ray 25 GB.
7.
Which medium is used most for low-cost, long-term archival backup of very large amounts of data?
Correct Answer: A [Magnetic tape]
Explanation:
Tape is cheap per GB and suits archives; RAM and cache are volatile; a CD holds only 700 MB.
8.
One-line recallUSB stands for:
Correct Answer: C [Universal Serial Bus]
Explanation:
Answer: Universal Serial Bus. USB = Universal Serial Bus.
9.
Which interface connects an internal hard disk or SSD to the motherboard?
Correct Answer: A [SATA]
Explanation:
SATA (Serial ATA) is the drive interface; HDMI and VGA are video ports; RJ-11 is for a telephone line.
10.
Fill in the blankAn SSD stores data in ______.
Correct Answer: D [flash memory chips]
Explanation:
SSD = solid-state drive with flash memory, no moving parts.
11.
Statement-basedWhich is/are correct?
I. ROM is non-volatile.
II. DRAM must be refreshed periodically.
I. ROM is non-volatile.
II. DRAM must be refreshed periodically.
Correct Answer: B [Both I and II]
Explanation:
Answer: Both I and II. Both are standard facts.
➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Computer Knowledge book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-computer-knowledge
📘 SSC CGL 2026 – Computer Knowledge (Tier II Paper I – Section III)
Here you get the answer with a one-line explanation. 672 original questions with answer key and explanations · notes, figures, shortcut keys and memory aids · practice sets + 3 Computer Knowledge mock tests
Get the book – ₹149 More quizzes
› SSC CGL Computer – Mock Test M3 – Computer Knowledge Module
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