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Computer Architecture Basics (A1 OCR) Flashcards | StudBud
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Computer Architecture Basics (A1 OCR)
Computer Architecture Basics (A1 OCR)
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#computerarchitecture#lowlevelprogramming#logicgates#boleanalgebra
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1
Which network medium is used by a network using the 802.11g standard?
Fibre optic
Microwave
Twisted pair
Ethernet
2
Which type of network uses Bluetooth to connect personal devices to a smartphone such as fitness tracking devices.
CAN
MAN
LAN
PAN
3
The BIOS can boot up the operating system from different places, which of the following is NOT one of those places?
An optical drive
The local network
The C: drive
The BIOS ROM
4
This diagram represents which addressing mode? Opcode, Operand--->[Data]
Indexed
Implicit
Direct
Relative
5
What does the letter P stand for in TCP/IP
Peer
Protocol
Process
Port
6
What type of creatures are Santa's little helpers said to be?
Elves
Orcs
Gnomes
Pixies
7
An internal interrupt (or trap) is generated by what?
The Operating System
The CPU
The hardware
The BIOS
8
Which input device enables a smartphone to change the orientation of the display when the phone is rotated?
Accelerometer
GPS unit
Gyrometer
Position Sensor
9
What is traditionally hidden in a Christmas pudding?
Silver coin
Gold ring
Silver ring
Gold coin
10
What do CISC and RISC processors usually have in common?
The both use microcode
They are both very power efficient
They are both have cache memory
They both have a large register set
11
Why does a RISC CPU make the compiler work harder?
Because the instructions are simple
Because instructions complete in one cycle
Because the transistor count is low
Because it uses microcoded instructions
12
Which of the following is an example of an actuator device?
A biometric scanner
A servo motor
A motion sensor
A touchscreen
13
The word boot, when used in computing, is short for what?
Boot strapping
Boot testing
Boot loading
Boot executing
14
Which is not a feature of RISC architecture specifically?
Fixed instruction format
A common address space for instructions and data
Relatively few instructions and addressing modes
Memory access restricted to LOAD/STORE
15
Which of the following is not a feature of the Von Neumann Architecture?
Separate data and instruction cache
A single memory, sequentially addressed
The PC Register contains the address of the next instruction
Instructions are encoded as numbers
16
Where is the BIOS firmware stored?
In the system RAM
On the boot device
On an SD card
In a flash ROM
17
Which is an example of an implicit instruction (no operand) in LMC assembly language?
HLT
STA
SUB
BRA
18
What is the highest-grossing Christmas movie?
Muppet's Christmas Carol
Home Alone
Die Hard
Great Escape
19
Which of the following terms does not relate to assembly language?
Mnemonic
Label
Symbolic addressing
Symbolic data
20
Where does the von Neumann bottle-neck occur?
Between the CPU and the internal bus
Between the CPU and the primary storage
Between primary and secondary storage
Between input and output devices
21
It is used to help overcome the Von Neumann Bottle-neck...?
Cache
Interrupt
Hyperthread
Pipeline
22
What defines the internal layout of the CPU?
The Instruction Set Architecture (ISA)
The Harvard Architecture
The Microarchitecture
The Von Neumann Architecture
23
Which LMC instruction causes the program flow to change ONLY when the previous answer was NOT a negative number?
BRN
BRA
BRP
BRZ
24
What causes an external interrupt?
An error in application software such as divide by zero
A hardware device such as a network card
The end user e.g. clicking on an icon
The operating system e.g. blue screen of death
25
Which computer buses are bi-directional?
Address and External Data
Address and Control
Internal and External Data
All four (address, control and both data)
26
Who wrote
A Christmas Carol
?
Charles Dickens
Virginia Woolf
Mary Shelly
William Shakesspear
27
Which of the following is both an input and output device?
Graphics card
Sensor
Network card
Actuator
28
What does BIOS stand for?
Basic Input Output System
Bootup Input Output Software
Basic Interrupts and Operating System
Bootup Initiation and Operating Software
29
What gift is given on the fifth day of Christmas, according to the song?
Drummers drumming
French hens
Turtle doves
Gold rings
30
Which special register holds the outcome of a calculation such as a negative or zero value?
Status Register
Memory Address Register
Current Instruction Register
Accumulator
31
Which of the following items is NOT part of the standard model of a computer?
I/O
Cache
CPU
Storage
32
The first step of the boot process is to run some diagnostics tests on the hardware, what is it called?
Power On Diagnostics Test
Power On Self Test
Boot Up Self Test
Boot Up Diagnostics Test
33
Which device allows two separate local area networks to be connected together?
Router
Switch
Hub
Branch
34
Which addressing mode does the LMC use for ADD, SUB and LDA?
Implicit
Direct
Immediate
Relative
35
Which of the following is NOT part of the CPU?
DMA
Control Unit
Register Set
ALU
36
What does the letter I stand for in IRQ?
Instruction
Input
Iteration
Interrupt
37
What is a useful side-effect of microcode?
Greater power efficiency
Forward portability
Backward compatibility
Faster execution
38
Which register is used by the control unit during the decode stage?
Current Instruction Register
Status Register
Memory Address Register
Accumulator
39
The Memory Address Register is used at which stage of the machine cycle?
Execute Instruction
All stages
Instruction Fetch
Instruction Decode
40
At what time does the BBC normally broadcast the King’s speech on Christmas day?
3 PM
5 PM
10 AM
Midday
41
What is the modern replacement for a BIOS?
POST
UEFA
BIOS2K
UEFI
42
What colour was Santa Clause's coat originally?
Green
Red
Blue
Yellow
43
Which is the odd one out?
Program Counter Register
Accumulator
Memory Address Register
Status Register
44
Which of these steps is not correct?
Fetch instruction from memory into CIR
Fetch data from memory into MDR
Execute instruction in CIR
Increment PCR to point to next instrcution
45
The main advantage of this type of network is centralised administration.
Peer to peer
Client Server
Ethernet
Wifi
46
What Christmas item was invented by Tom Smith in 1847?
Christmas jumpers
Christmas pudding
Christmas cards
Christmas crackers
47
Which is not an LMC instruction?
SUB
LDA
INP
DTA
48
If the accumulator holds the number 999 and the LMC adds one to it, what value does it now hold?
1000
Zero
No change
-999
