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40 QuestionsShow answers
Question 1
SURVEY
30 seconds
Q. Processors have a speed measured in (1-4)
answer choices
Hertz
Bits
Bytes
Seconds
Question 2
SURVEY
30 seconds
Q. Data and Instructions in use are stored in the: (1-4)
answer choices
Processor
Embedded System
Hard Disk Drive
Main Memory
Question 3
SURVEY
30 seconds
Q. Typical processor speed of 2016: (1-4)
answer choices
16Hz
100MHz
4GHz
300GHz
Question 4
SURVEY
30 seconds
Q. What doesn’t affect the performance of the computer (1-4)
answer choices
Clock Speed
Number of Cores
Cache Size
The number of instructions in the program
Question 5
SURVEY
30 seconds
Q. If the number of cores goes up from 2 to 4 – what is the exact effect on performance? (1-4)
answer choices
Performance decreases
The maximum number of instructions executed per second doubles
The maximum number of instructions executed per second quadruples
The maximum number of instructions executed per second is halved
Question 6
SURVEY
30 seconds
Q. If the processing speed goes up from 1GHZ to 4GHZ – what is the exact effect on the performance of the computer? (1-4)
answer choices
The maximum number of instructions executed per second doubles
The maximum number of instructions executed per second quadruples
The maximum number of instructions executed per second is halved
The maximum number of instructions executed per second is quartered
Question 7
SURVEY
30 seconds
Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 2 to 4 – what is the exact effect on the performance of the computer? (5-6)
answer choices
The maximum number of instructions executed per second doubles
The maximum number of instructions executed per second quadruples
The maximum number of instructions executed per second is halved
The maximum number of instructions executed per second is quartered 7
Question 8
SURVEY
30 seconds
Q. If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer? (5-6)
answer choices
The number of instructions executed per second doubles
The number of instructions executed per second quadruples
The number of instructions executed per second is halved
The number of instructions executed per second stays the same
Question 9
SURVEY
30 seconds
Q. Firmware in which software and hardware are integrated on a circuit board is often used in what type of system? (5-6)
answer choices
Desktop System
Embedded System
Operating System
Point of Sales System
Question 10
SURVEY
30 seconds
Q. Which is an example of an Embedded System: (1-4)
answer choices
Laptops
Tablets
PCs
Washing Machine
Question 11
SURVEY
30 seconds
Q. Processor don’t do the following (1-4)
answer choices
Process Data
Execute Instructions
Execute Data
Operate in Hz
Question 12
SURVEY
30 seconds
Q. The part of a processor in which instructions are executed is known as? (1-4)
answer choices
Core
Centre
Execution
Instruction Centre
Question 13
SURVEY
30 seconds
Q. What acts as an intermediary between the processor and the Main Memory? (6-9)
answer choices
Bus
User
Cache
Clock
Question 14
SURVEY
30 seconds
Q. What is held in cache? (5-6)
answer choices
All of the programming instructions
Commonly used instructions and data
Instructions that have been processed
Data that hasn’t been used for a long time
Question 15
SURVEY
30 seconds
Q. Moore’s Law? (7-9)
answer choices
Predicted that the number of transistors on a circuit board would double ever year
Computers would be capable of thinking and learning for themselves by 2020
That the number of cores on a processor would double every year
The performance increase of computers would eventually halt in 2020
Question 16
SURVEY
30 seconds
Q. Firmware refers to (5-6)
answer choices
Any hardware that can’t easily break
A combination of hardware and software
A type of software that is updated to make a computer work better
Hardware used in kitchens
Question 17
SURVEY
30 seconds
Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6)
answer choices
Doubled
Quadrupled
Eight Times faster
Sixteen times faster
Question 18
SURVEY
30 seconds
Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 4 – what is the exact effect on the performance of the computer? (5-6)
answer choices
Doubled
Quadrupled
Eight Times faster
Sixteen times faster
Question 19
SURVEY
30 seconds
Q. If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6)
answer choices
Doubled
Quadrupled
Eight Times faster
Sixteen times faster
Question 20
SURVEY
30 seconds
Q. If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 8 – what is the exact effect on the performance of the computer? (5-6)
answer choices
Eight Times faster
Sixteen times faster
Thirty Two times faster
Sixty Four times faster
Question 21
SURVEY
30 seconds
Q. What component holds the address of the next instruction (7-9)
answer choices
Memory Address Register
Memory Data Register
Program Counter
Accumulator
Question 22
SURVEY
30 seconds
Q. Results of calculations are held in this register: (7-9)
answer choices
Memory Address Register
Memory Data Register
Program Counter
Accumulator
Question 23
SURVEY
30 seconds
Q. This holds the instruction/data temporarily after it is brought to the processor from the main memory (7-9)
answer choices
Memory Address Register
Memory Data Register
Program Counter
Accumulator
Question 24
SURVEY
30 seconds
Q. This holds the number of the current instruction being worked on (7-9)
answer choices
Memory Address Register
Memory Data Register
Program Counter
Accumulator
Question 25
SURVEY
30 seconds
Q. This would perform an operation including the word “And” (5-7)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 26
SURVEY
30 seconds
Q. This would send a signal such as “Memory Read” (5-7)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 27
SURVEY
30 seconds
Q. This would perform an operation such as 5+8 (1-4)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 28
SURVEY
30 seconds
Q. This would reduce the number of memory/processor transfers (5-7)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 29
SURVEY
30 seconds
Q. This sends signals such as “I/O Read” (5-7)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 30
SURVEY
30 seconds
Q. This sends signals such as “Memory write” (5-7)
answer choices
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
Question 31
SURVEY
30 seconds
Q. This doesn’t happen during the Fetch part of the cycle: (7-9)
answer choices
Address Bus is used
Program Counter increments by one
Arithmetic operations are performed
Main Memory is addressed
Question 32
SURVEY
30 seconds
Q. This doesn’t happen during the Decode / Execute part of the cycle: (7-9)
answer choices
Current Instruction is held in the CIR
Results are held in the Accumulator
Status Register updated
Instructions are transferred from Main Memory
Question 33
SURVEY
30 seconds
Q. What is held in ROM? (1-4)
answer choices
Data currently in use
Bootstrap Loader
Instructions frequently used
Operating System
Question 34
SURVEY
30 seconds
Q. This carries address of the next instruction that will be fetched (4-6)
answer choices
Address Bus
Data Bus
Control Bus
System Bus
Question 35
SURVEY
30 seconds
Q. What is a property of an Address Bus (4-6)
answer choices
Carries Data and Instructions
Uni-Directional
Bi-Directional
Carries control Signals
Question 36
SURVEY
30 seconds
Q. Which component generates addresses(4-6)
answer choices
Processor
Main Memory
Control Unit
Secondary Storage
Question 37
SURVEY
30 seconds
Q. What is transferred down the data bus? (4-6)
answer choices
Data only
Addresses only
Data and Instructions
Data, Instructions and Addresses
Question 38
SURVEY
30 seconds
Q. What accurately describes a peripheral? (1-4)
answer choices
A component of a computer system
A device that is not directly connected to the CPU
A device that is directly connected to the CPU
A device that is plugged in
Question 39
SURVEY
30 seconds
Q. This is not a type of secondary storage (1-4)
answer choices
Blu-Ray Drive/Disc
Flash Memory
Hard Disk Drive
RAM
Question 40
SURVEY
30 seconds
Q. What is the purpose of the accumulator? (4-6)
answer choices
To perform arithmetic operations
To hold the results of a calculation
To hold the accumulation of instructions that have happened