PPSC Most Repeated Computer Science mcqs with answers

1     The term ‘Computer’ is derived from ______________

1. Latin
2. German
3. French
4. Arabic

2     1 Gigabyte is equal to

1. 1024 bits
2. 1000 megabytes
3. 1024 kilobytes
4. 1024 megabytes

3     WAN stands for ______________ ?

1. Wap Area Network
2. Wide Area Network
3. Wide Array Net
4. Wireless Area Network

4     You can organize files by storing them in _____________ ?

1. archives
2. folders
3. indexes
4. lists

5     Junk e-mail is also called

1. spam
2. spoof
3. sniffer script
4. spool

6     What characteristic of read-only memory (ROM) makes it useful

1. ROM information can be easily updated.
2. Data in ROM is non- volatile, that is, it remains there even without electrical power.
3. ROM provides very large amounts of inexpensive data storage.
4. ROM chips are easily swapped between different brands of computers.

7     IBM 1401 is

1. First Generation Computer
2. Second Generation Computer
3. Third Generation Computer

D . Fourth Generation Computer

8     Who invented the high level language “C”

1. Dennis M. Ritchie
2. Niklaus Writh
3. Seymour Papert
4. Donald Kunth

9     A fault in a computer program which prevents it from working correctly is known as

1. Boot
2. Bug
3. Biff
4. Strap

10    1 Byte =

1. 8 bits
2. 4 bits
3. 2 bits
4. 9 bits

11    The term ________ designates equipment that might be added to a computer system to enhance its functionality.

1. digital device
2. system add- on
3. disk pack
4. peripheral device

12    What is the other name for programmed chip?

1. RAM
2. ROM
3. LSIC
4. PROM

13                            Store data or information temporarily and pass it on as directed by the control unit?

1. Address
2. Register
3. Number
4. Memory

14    When creating a computer program, the ____________ designs the structure of the program?

1. End user
2. System Analyst
3. Programmer
4. All of the above

15    The most common type of storage devices are

1. magnetic storage
2. Flash memory
3. optical
4. Both A & B

16    A computer system that is old and perhaps not satisfactory is referred to as a(n)

1. Ancient system
2. Historical system
3. Age old system
4. Legacy system

17    The common name for the crime of stealing passwords is

1. Jacking
2. Identity theft
3. Spoofing
4. Hacking

18                               is the measurement of things such as fingerprints and retinal scans used for security access?

1. Biometrics
2. Bio measurement
3. Computer security
4. Smart weapon machinery

19    Cathode Ray Tube is a form of

1. Keyboard
2. Mouse
3. Monitor
4. Mother board

20    LAN stands for

1. Limited Area Network
2. Logical Area Network
3. Local Area Network
4. Large Area Network

21    To display the contents of a folder in Windows Explorer you should:

1. click on it
2. collapse it
3. name it
4. give it a password

22    Fourth generation mobile technology provides enhanced capabilities allowing the transfer of both _____________ data, including full-motion video, high-speed internet access, and video conferencing.

1. video data and information
2. voice and non-voice
3. music and video
4. video and audio

23    When entering text within a document, the Enter key is normally pressed at the end of every

1. Line
2. Sentence
3. Paragraph
4. Word

24    Which of the following memories must be refreshed many times per second?

1. Static RAM
2. Dynamic RAM
3. EPROM
4. ROM

25    IC are classified on the basis of

1. Manufacturing company
2. Type of computer
3. Number of transistors
4. None of these