Notational Systems
Given the numerical value 1010101.11, which of the following number systems is MOST likely represented? A. Decimal B. Octal C. Binary D. Hexadecimal
What is (A) Decimal?
Which of the following lists the basic computing and processing steps in order?
A. Input, retrieval, output, and storage
B. Input/output, processing and storage
C. Input, retrieval, processing, and storage
D. Input, processing, output, and storage
What is (D) Input, processing, output, and storage ?
Which of the following storage units can be used to represent 1024MB?
A. 1GB
B. 1KB
C. 1TB
D. 1PB
What is (A) 1 GB?
A customer complain that his computer is not powering on. You write down a list of possible causes.
What is identifying the problem?
This unit of measurement is used to measure Internet speed.
What is Mbps?
Which of the following represent the binary number of 2?
A. 10
B. 11
C. 110
D. 101
What is (A) 10?
10 in binary is the same as 2 in decimal
What type of connector is commonly used for keyboards and mice?
A. RCA
B. USB
C. XLR
D. TRS
What is (B) USB?
How many bites are in a single byte?
A. 4
B. 8
C. 12
D. 16
What is (B) 8?
Your client's display is blank. You suspect the cable is bad, so you swap it out with a known good cable.
What is the troubleshooting step of testing the theory to determine the probable cause?
This measurement is used as one of the characteristics of a good processor.
What is GHz (Gigahertz?)
This notational system is used to to represent MAC addresses and memory addresses.
What is Hexadecimal ?
A user has entered a search string into an application and clicked on the search icon. Which of the following is the NEXT step in the computing process?
A. Processing
B. Output
C. Input
D. Storage
What is (A) Processing?
A single 1 or 0 in a digital signal
What is a bit?
You fixed your client's display by switching the cable. You provide him with a brand new cable and install it so it doesn't get damaged.
What is the troubleshooting step of establishing a plan of action and implement the solution?
Which is the largest amount of data?
2 TB
3000 Gb
3000 Gb
A network has an IPV4 address of 192.168.12.155. Which of the following notational systems is used to represent this IP address?
A. Binary
B. Decimal
C. Octal
D. Hexadecimal
What is (B) Decimal - Decimal number systems use ten digits from 0 to 9.
Keyboards, mice, speakers, microphones, and printers are collectively referred to as:
A. Peripherals
B. Equipment
C. Add-ins
D. Attachments
What is (A) Peripherals?
A consumer wants to add a hard drive to their computer to store video from their camera. Which of the following would represent the storage capacity of a modern hard disk drive (HDD) purchased from a computer store?
A. 4 Gigabytes
B. 3 Terabytes
C. 8 Megabytes
D. 1,024 Kilobytes
What is (B) 3 Terabytes ?
You verified that your customer's display is working. After giving him a new cable you install it so it doesn't get damaged.
What is the troubleshooting step of verifying full functionality and implementing preventive measures?
Which speed measurement has the slowest data transfer rate?
Gbps
Kbps
Mbps
Tbps
Kbps
Which of the following encoding schemes would MOST likely be used to represent an emoji?
A. Binary
B. ASCII
C. Hexadecimal
D. Unicode
What is (D) Unicode?
Unicode - is an international 16-bit encoding standard, and can represent millions of different characters.
Which of the following provides a computer system with the ability to retrieve and manipulate data at a future time? A. Processing B. Output C. Input D. Storage
What is (D) Storage?
Which of the following transfer rates is the FASTEST?
A. 1,282 Kbps
B. 181 Mbps
C. 1,480 Mbps
D. 1.24 Gbps
What is (C) 1,480 Mbps ?
After deleting a virus from your client's computer you enter the malicious file's name and the name of the fake email it came from so other technicians can solve similar issues.
What is the troubleshooting step of documenting findings and lesson learned?
This data storage unit is 1024 TB
What is a Petabyte?
Is the decimal equivalent of 1101 odd or even?
odd
This is the smallest usuable unit of data in computing
Byte