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Computer Science 1 > Paper 1 > Flashcards

Paper 1 Flashcards

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1
Q

What is the binary representation of the decimal number 5?

A

101

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2
Q

True or False: The hexadecimal system uses a base of 16.

A

True

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3
Q

What is the hexadecimal equivalent of the binary number 1111?

A

F

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4
Q

Fill in the blank: The binary number system uses only ____ digits.

A

two

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5
Q

What is the decimal value of the hexadecimal number 2A?

A

42

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6
Q

What is an operating system?

A

Software that manages computer hardware and software resources.

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7
Q

Which of the following is NOT an operating system? A) Windows B) Linux C) Microsoft Office

A

C) Microsoft Office

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8
Q

True or False: Utility software is designed to help manage and tune computer hardware and software.

A

True

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9
Q

What is an example of utility software?

A

Antivirus software

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10
Q

Fill in the blank: The main purpose of sound cards is to process ____ signals.

A

audio

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11
Q

What is the purpose of secondary storage?

A

To store data permanently.

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12
Q

True or False: RAM is considered secondary storage.

A

False

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13
Q

What is the primary function of the CPU?

A

To execute instructions and process data.

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14
Q

What does CPU stand for?

A

Central Processing Unit

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15
Q

Fill in the blank: The binary number system uses powers of ____.

A

2

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16
Q

What is the hexadecimal number for the decimal number 255?

A

FF

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17
Q

True or False: The operating system is responsible for managing memory.

A

True

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18
Q

What is the maximum value for a single byte in decimal?

A

255

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19
Q

Which of the following is a characteristic of utility software? A) Enhances system performance B) Manages hardware resources C) Provides security D) All of the above

A

D) All of the above

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20
Q

What type of sound file format is commonly used for music?

A

MP3

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21
Q

Fill in the blank: Hard drives are an example of ____ storage.

A

secondary

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22
Q

What does the acronym SSD stand for?

A

Solid State Drive

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23
Q

True or False: The CPU can perform multiple tasks simultaneously.

A

False

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24
Q

What is the purpose of a file system in an operating system?

A

To manage how data is stored and retrieved.

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25
Fill in the blank: A ____ is a temporary storage area for data that is being processed.
cache
26
What is the binary equivalent of the decimal number 10?
1010
27
True or False: The hexadecimal system includes the digits 0-9 and letters A-F.
True
28
What type of software is designed to help users perform specific tasks?
Application software
29
Fill in the blank: The ____ is the part of the computer that executes instructions.
CPU
30
What is the purpose of a sound card?
To facilitate audio input and output.
31
What is the decimal value of the binary number 1101?
13
32
True or False: Secondary storage is volatile.
False
33
What is the maximum storage capacity of a standard CD-ROM?
700 MB
34
Fill in the blank: The ____ is responsible for coordinating all hardware components.
operating system
35
What does the term 'bit' stand for?
Binary digit
36
What is the hexadecimal representation of the decimal number 16?
10
37
True or False: Utility software can help recover lost files.
True
38
What is an example of a secondary storage device?
USB flash drive
39
Fill in the blank: The CPU speed is measured in ____.
GHz
40
What does the term 'latency' refer to in computing?
The delay before a transfer of data begins following an instruction.
41
Which of the following is a type of secondary storage? A) RAM B) Hard Drive C) CPU
B) Hard Drive
42
What is the main benefit of using hexadecimal notation?
It is more compact than binary.
43
Fill in the blank: The ____ of a computer is the main component that performs calculations.
CPU
44
What is the process of converting binary to decimal called?
Decoding
45
True or False: Operating systems can be classified as system software.
True
46
What is a register in computer architecture?
A register is a small amount of storage available directly in the CPU for quick data access and manipulation.
47
True or False: Registers are typically larger than cache memory.
False
48
Fill in the blank: The primary purpose of a register is to hold __________ during processing.
data and instructions
49
What is the difference between ROM and RAM?
ROM is non-volatile memory used for permanent storage, while RAM is volatile memory used for temporary storage during operation.
50
What does ROM stand for?
Read-Only Memory
51
Which type of memory is faster: RAM or ROM?
RAM
52
True or False: Data in RAM is retained when the power is turned off.
False
53
What is the primary function of RAM in a computer system?
To provide temporary storage for data and instructions that the CPU needs while performing tasks.
54
Multiple Choice: Which of the following is a type of ROM? A) EEPROM B) DRAM C) SRAM
A) EEPROM
55
What does EEPROM stand for?
Electrically Erasable Programmable Read-Only Memory
56
Fill in the blank: Embedded systems are designed to perform specific __________.
tasks or functions
57
True or False: Embedded systems are typically general-purpose computing systems.
False
58
What is the primary characteristic of embedded systems?
They are dedicated to a specific application or function within a larger system.
59
Which of the following is NOT a common application of embedded systems? A) Microwave ovens B) Personal computers C) Automotive controls
B) Personal computers
60
What is the role of firmware in embedded systems?
Firmware provides the low-level control for the device's hardware.
61
Fill in the blank: RAM is categorized into __________ and __________ types.
volatile; non-volatile
62
What type of memory is used in cache memory?
Static RAM (SRAM)
63
True or False: Static RAM retains data without needing to be refreshed.
True
64
What is the main advantage of using registers in CPU?
Registers allow for faster access to data compared to other types of memory.
65
Multiple Choice: Which type of RAM is slower but has a higher density? A) SRAM B) DRAM C) Flash
B) DRAM
66
What does the acronym CPU stand for?
Central Processing Unit
67
Fill in the blank: Non-volatile memory retains data even when __________.
the power is turned off
68
What is the typical size range of registers in modern CPUs?
From 8 bits to 64 bits
69
True or False: All embedded systems use RAM for data storage.
False
70
What is the function of cache memory in relation to RAM?
Cache memory stores frequently accessed data to speed up processing times.
71
What type of memory is typically used for storing the BIOS in a computer?
ROM
72
Fill in the blank: A microcontroller is an example of an __________ system.
embedded
73
What is the main purpose of using embedded systems in consumer electronics?
To provide specific functionalities in a compact and efficient manner.
74
Multiple Choice: Which of the following is a characteristic of RAM? A) Non-volatile B) Volatile C) Permanent
B) Volatile
75
What is the primary limitation of ROM compared to RAM?
ROM cannot be easily modified or written to.
76
True or False: Registers are used to store instructions that the CPU is currently executing.
True
77
What type of embedded system is designed to operate in real-time?
Real-time embedded system

Computer Science 1 (2 decks)

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