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OCR J277/01 Unit 1 Systems Architecture Quiz

Total questions: 58

Worksheet time: 41mins

Name
Class
Date
1.
What does CPU stand for?
a)
Central Processing Unit
b)
Computer Protocol User
c)
Cool Pokemon Unit
d)
Computer Processing Unit
2.
Bob has a 1GHZ dual core CPU, Amy has a 2GHZ single core CPU. Which can process more instructions per second?
a)
Bob
b)
Amy
c)
Equal
d)
Neither can process anything
3.
Which of the following adjustments to an internal component could improve the performance of a CPU?
a)
Add more cores
b)
Decrease the cache
c)
Get a bigger motherboard
d)
Remove the OS
4.
What happens if you increase the clock speed?
a)
CPU can process instructions quicker
b)
CPU can process more instructions at the same time
c)
CPU will explode
d)
CPU processes too fast for the cache to handle
5.
What happens if you increase the number of cores
a)
CPU can process instructions quicker
b)
CPU can process more instructions at the same time
c)
CPU will explode
d)
CPU processes too fast for the cache to handle
6.
Which of these is an embedded system (firmware)
a)
Computer
b)
Mobile Phone
c)
Pizza
d)
Microwave
7.
Barry has a 1GHZ dual core CPU. He improves it to a 4GHZ quad core CPU. What is the effect on the performance of his computer?
a)
The number of instructions executed per second doubles
b)
The number of instructions executed per second triples
c)
The number of instructions executed per second quadruples
d)
The number of instructions executed per second improves by 8 times
8.

Which of these are not steps in the FDE cycle?

a)

Instructions are fetched from main memory

b)

Instructions are decoded in the control unit

c)

The decoded instruction is executed

d)

The ALU decodes the instructions

e)

The program counter transfers the data to be decoded to the MDR

9.

Which of the following primary storage has the largest memory?

a)

RAM

b)

Cache

c)

Processor Registers

10.

Which of the following primary storage has the fastest memory?

a)

RAM

b)

Cache

c)

Processor Registers

11.
Where are the results of calculations stored?
a)
Accumulator
b)
ALU
c)
MDR
d)
CIR
12.
Which component would calculate the result of 6 * 4?
a)
Accumulator
b)
ALU
c)
Control Unit
d)
MAR
13.

Which of these are input devices?

a)

Microphone

b)

Headphones

c)

Printer

d)

USB Stick

e)

Scanner

14.

Which of the following are not secondary storage devices?

a)

Hard Drive

b)

USB Stick

c)

CD

d)

RAM

e)

Registers

15.
Which of these most resembles an opcode?
a)
Store
b)
7
c)
yes
d)
=
16.
Which of these most resembles an operand?
a)
Store
b)
7
c)
yes
d)
=
17.
Which of these accurately describes a motherboard
a)
The central circuit board of a computer/device
b)
The main storage device in a computer system
c)
The main machine that creates microprocessors for computers
d)
The first ever computer system
18.
Where is the bootstrap held?
a)
RAM
b)
ROM
c)
Cache
d)
Harddrive
19.
Which is a feature of the address bus
a)
Transfers addresses 
b)
Bi-Directional
c)
Carries control signals
d)
Transfers Data and Instructions
20.

Which of the following are peripherals?

a)

CPU

b)

Motherboard

c)

Mouse

d)

Cache

e)

Printer

21.

Which of the following are real registers?

a)

Main drive register

b)

Memory address register

c)

Current instruction register

d)

Accomodater

e)

Program counter

22.
What does RAM stand for?
a)
Random Access Memory
b)
Read All Memory
c)
Robot Army Men
d)
Recently Added Memory
23.
What does ROM stand for?
a)
Read Only Memory
b)
Random Online Memory
c)
Recently Opened Memory
d)
Rolling Over Mirror
24.
RAM is non-volatile 
a)
True
b)
False
25.
Which of these would be held in ROM
a)
Bootstrap
b)
Operating System
c)
Games
d)
Device Drivers
26.
Which is true of RAM?
a)
Holds instructions/data currently in use
b)
Keeps data when the power is off
c)
Stores the operating system
d)
Is not found on the motherboard
27.
Can data on a ROM chip be edited?
a)
Yes
b)
No
c)
If you are the admin
28.
When is virtual memory needed?
a)
When RAM is full
b)
When you want to store data online
c)
When your Hard-Drive is full
d)
When you need to update RAM
29.
Where is virtual memory created?
a)
CPU
b)
RAM
c)
ROM
d)
Secondary Storage
30.
Where would you find the BIOS?
a)
ROM
b)
RAM
c)
CPU
d)
Storage
31.
Which of these would improve the performance of your computer
a)
Adding an extra RAM stick
b)
Changing your SRAM to DRAM
c)
Adding more ROM chips
d)
Adding another motherboard
32.
Where would you find firmware?
a)
RAM
b)
ROM
c)
CPU
d)
Storage
33.
Which of these can be caused by virtual memory
a)
Disk Thrashing
b)
Reboot
c)
Corrupt Storage
d)
Overheating RAM
34.

Select all the examples of volatile memory

a)

RAM

b)

ROM

c)

Hard Drive

d)

Virtual Memory

e)

Registers

35.

Select the examples of secondary storage

a)

Floppy Disk

b)

RAM

c)

CD

d)

CPU

e)

Accumulator

36.

Which of the following would be stored in the ROM

a)

Bootstrap

b)

BIOS

c)

Microsoft Software

d)

Login Credentials

e)

MDR

37.

Which of the following are true of SRAM

a)

Cheaper than DRAM

b)

Usually used for cache

c)

Usually used for RAM

d)

Transistors don't lose their charge when in use

e)

Charge needs to be refreshed every few seconds

38.
Secondary storage is:
a)
Non-volatile storage
b)
Back up storage
c)
An external hard drive
d)
The hard drive in your computer system
39.
Why is secondary storage needed in a computer system?
a)
To back up your files
b)
To store your programs.
c)
To store all files needed for the computer system to run.
d)
To store all of the files just in case your computer crashes.
40.
What is stored on your secondary storage in your computer system?
a)
Programs
b)
Data and files
c)
Operating system
d)
All data (Programs, operating system and files).
41.
Secondary storage is faster than RAM.
a)
TRUE
b)
FALSE
42.
Which of the following storage devices will most likely have the highest capacity?
a)
Magnetic storage
b)
Solid state storage
c)

Optical Storage

43.
Which of the following storage devices will most likely have the smallest capacity?
a)
Magnetic storage
b)
Solid state storage
c)

Optical Storage

44.
Which of the following will have the fastest read/write speed?
a)
Magnetic storage
b)
Solid state storage
c)

Optical Storage

45.
Which of the following will have the slowest read/write speed?
a)
Magnetic storage
b)
Solid state storage
c)

Optical Storage

46.
Which of the following is the most portable?
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
47.
Which of the following is the most cost effective?
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
48.
USB flash drive is an example of:
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
49.
A portable device such as a smartphone or tablet is likely to have which type of storage?
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
50.
Which of the following is the most durable?
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
51.
Which of the following is the least durable?
a)
Magnetic storage
b)
Solid state storage
c)
Optical storage
52.
Magnetic storage is more durable than:
a)
Solid state storage
b)
Optical storage
53.
Which is the correct order?
a)
Bit, nibble, byte, KB, MB, GB, TB, PB
b)
Bit, byte, nibble, KB, MB, GB, TB, PB
c)
PB, Bit, nibble, byte, KB, MB, GB, TB
d)
Bit, nibble, byte, MB, KB, GB, TB, PB
54.
Which storage device would you most likely use to transport some files from one computer to another?
a)
Magnetic storage
b)
Solid state storage (USB flash drive)
c)
Optical storage
d)
Solid state storage
55.
Which storage device would you most likely use to storage large amounts of backup data?
a)
Magnetic storage
b)
Solid state storage (USB flash drive)
c)
Optical storage
d)
Solid state storage
56.
Which storage device would you most likely use to distribute a video to several people?
a)
Magnetic storage
b)
Solid state storage (USB flash drive)
c)
Optical storage
d)
Solid state storage
57.
Programs will load faster if you have solid state storage in your computer system.
a)
TRUE
b)
FALSE
58.

Tick all of the statements that are true

a)

CPU stands for Central Processing Unit.

b)

The CPU fetches and decodes instructions.

c)

The speed of a CPU is usually measured in GigaHertz

(GHz).

d)

If a CPU has many cores, this slows down the computer.

e)

The hard disk drive is part of the CPU.

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